● Medium · CVSS 4.3

How to Fix CVE-2026-1981: Missing authorization in HUMN-1 AI Website Scanner & Human Certification by Winston AI

Q: What is the CVSS score for CVE-2026-1981?

4.3 (Medium). Vector: `CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N`.

Q: Where is the official advisory for CVE-2026-1981?

The vendor advisory is at [https://www.wordfence.com/threat-intel/vulnerabilities/id/b1a82073-ab63-42dd-9bc0-d21f53a5af25?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/b1a82073-ab63-42dd-9bc0-d21f53a5af25?source=cve). The NVD record is at https://nvd.nist.gov/vuln/detail/CVE-2026-1981.

By Sai Kiran Pandrala. Last verified: 2026-05-25.

CVE-2026-1981 is a missing authorization in winstonai HUMN-1 AI Website Scanner & Human Certification by Winston AI. The fix is to apply the vendor patch noted below.

⚡ At a glance


Severity	4.3 (Medium)
Actively exploited?	No public listing in CISA KEV
Affected	HUMN-1 AI Website Scanner & Human Certification by Winston AI 0 to <=0.0.3
Fixed in	See vendor advisory
Type (CWE)	CWE-862 Missing Authorization

What is CVE-2026-1981?

The HUMN-1 AI Website Scanner & Human Certification by Winston AI plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the winston_disconnect() function in all versions up to, and including, 0.0.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to reset the plugin's API connection settings via the 'winston_disconnect' AJAX action. The CVSS base score is 4.3 (Medium). The official advisory is at https://www.wordfence.com/threat-intel/vulnerabilities/id/b1a82073-ab63-42dd-9bc0-d21f53a5af25?source=cve.

Am I affected?

Check the version of HUMN-1 AI Website Scanner & Human Certification by Winston AI you are running and compare it against the Affected row above (HUMN-1 AI Website Scanner & Human Certification by Winston AI 0 to <=0.0.3). If your build sits inside the affected range, you must patch.

Run the version check that fits your platform:


# Linux package check
dpkg -s humn-1-ai-website-scanner-human-certification-by-winston-ai 2>/dev/null | grep -i ^Version
rpm -q humn-1-ai-website-scanner-human-certification-by-winston-ai 2>/dev/null
command -v humn-1-ai-website-scanner-human-certification-by-winston-ai >/dev/null && humn-1-ai-website-scanner-human-certification-by-winston-ai --version 2>/dev/null


# Windows (PowerShell)
Get-Package -Name "*HUMN-1 AI Website Scanner & Human Certification by Winston AI*" -ErrorAction SilentlyContinue | Select-Object Name, Version
winget list --name "HUMN-1 AI Website Scanner & Human Certification by Winston AI" 2>$null

How to fix CVE-2026-1981

Upgrade HUMN-1 AI Website Scanner & Human Certification by Winston AI to a patched build: See vendor advisory. The vendor advisory is the source of truth for the exact fixed version.

Ubuntu / Debian


sudo apt-get update
sudo apt-get install --only-upgrade humn-1-ai-website-scanner-human-certification-by-winston-ai
dpkg -s humn-1-ai-website-scanner-human-certification-by-winston-ai | grep -i ^Version

RHEL / CentOS / Rocky / AlmaLinux


sudo dnf upgrade --refresh humn-1-ai-website-scanner-human-certification-by-winston-ai -y
# or for older releases:
sudo yum update humn-1-ai-website-scanner-human-certification-by-winston-ai -y
rpm -q humn-1-ai-website-scanner-human-certification-by-winston-ai

SUSE / openSUSE


sudo zypper refresh
sudo zypper update humn-1-ai-website-scanner-human-certification-by-winston-ai
rpm -q humn-1-ai-website-scanner-human-certification-by-winston-ai

PHP / Composer


composer update winstonai/humn-1-ai-website-scanner-human-certification-by-winston-ai 2>/dev/null || composer update
composer show | head -20

WordPress


# Update via WP-CLI
wp plugin update --all
wp core update

Complete PowerShell remediation script (Windows)


# Fix script for CVE-2026-1981 affecting HUMN-1 AI Website Scanner & Human Certification by Winston AI
# Run as administrator. Detect -> backup -> upgrade -> verify -> log.

$ErrorActionPreference = "Stop"
$LogPath  = "C:\Logs\CVE-2026-1981-fix-$(Get-Date -Format yyyyMMdd-HHmmss).log"
New-Item -ItemType Directory -Force (Split-Path $LogPath) | Out-Null
Start-Transcript -Path $LogPath -Append

try {
    Write-Host "[1/4] Detect installed version"
    $pkg = Get-Package -Name "*HUMN-1 AI Website Scanner & Human Certification by Winston AI*" -ErrorAction SilentlyContinue
    if ($pkg) { $pkg | Format-Table Name, Version }
    else { Write-Host "Not detected via Get-Package; try winget list" }

    Write-Host "[2/4] Backup configuration"
    $backup = "C:\Backup\humn-1-ai-website-scanner-human-certification-by-winston-ai-$(Get-Date -Format yyyyMMdd)"
    New-Item -ItemType Directory -Force $backup | Out-Null
    Get-ChildItem "C:\ProgramData\HUMN-1 AI Website Scanner & Human Certification by Winston AI" -ErrorAction SilentlyContinue |
        Copy-Item -Destination $backup -Recurse -Force -ErrorAction SilentlyContinue

    Write-Host "[3/4] Apply the upgrade to See vendor advisory"
    winget upgrade --name "HUMN-1 AI Website Scanner & Human Certification by Winston AI" --silent --accept-source-agreements --accept-package-agreements
    if ($LASTEXITCODE -ne 0) {
        # Fallback: pull latest via OS update channel
        Install-Module -Name PSWindowsUpdate -Force -SkipPublisherCheck -ErrorAction SilentlyContinue
        Import-Module PSWindowsUpdate
        Install-WindowsUpdate -MicrosoftUpdate -AcceptAll -IgnoreReboot
    }

    Write-Host "[4/4] Verify the patched build"
    winget list --name "HUMN-1 AI Website Scanner & Human Certification by Winston AI"
    Write-Host "Patch applied. Reboot if prompted."
    exit 0
} catch {
    Write-Error "Patch failed: $_"
    exit 1
} finally {
    Stop-Transcript
}

Complete Bash remediation script (Linux)


#!/usr/bin/env bash
# Fix script for CVE-2026-1981 affecting HUMN-1 AI Website Scanner & Human Certification by Winston AI
# Detect -> backup -> upgrade -> verify -> log.

set -euo pipefail
LOG="/var/log/cve-2026-1981-fix-$(date +%Y%m%d-%H%M%S).log"
exec > >(tee -a "$LOG") 2>&1

echo "[1/4] Detect installed version"
if command -v dpkg >/dev/null; then
    dpkg -s humn-1-ai-website-scanner-human-certification-by-winston-ai 2>/dev/null | grep -i ^Version || echo "humn-1-ai-website-scanner-human-certification-by-winston-ai not installed via dpkg"
elif command -v rpm >/dev/null; then
    rpm -q humn-1-ai-website-scanner-human-certification-by-winston-ai || echo "humn-1-ai-website-scanner-human-certification-by-winston-ai not installed via rpm"
fi

echo "[2/4] Backup configuration"
BACKUP="/root/backup-cve-2026-1981-$(date +%Y%m%d)"
mkdir -p "$BACKUP"
for d in /etc/humn-1-ai-website-scanner-human-certification-by-winston-ai /etc/humn-1-ai-website-scanner-human-certification-by-winston-ai.d /etc/humn-1-ai-website-scanner-human-certification-by-winston-ai.conf; do
    [ -e "$d" ] && cp -a "$d" "$BACKUP/" || true
done

echo "[3/4] Apply the upgrade (target: See vendor advisory)"
if command -v apt-get >/dev/null; then
    apt-get update
    apt-get install --only-upgrade -y humn-1-ai-website-scanner-human-certification-by-winston-ai
elif command -v dnf >/dev/null; then
    dnf upgrade --refresh -y humn-1-ai-website-scanner-human-certification-by-winston-ai
elif command -v yum >/dev/null; then
    yum update -y humn-1-ai-website-scanner-human-certification-by-winston-ai
elif command -v zypper >/dev/null; then
    zypper --non-interactive update humn-1-ai-website-scanner-human-certification-by-winston-ai
fi

echo "[4/4] Verify the patched build"
if command -v dpkg >/dev/null; then
    dpkg -s humn-1-ai-website-scanner-human-certification-by-winston-ai 2>/dev/null | grep -i ^Version
elif command -v rpm >/dev/null; then
    rpm -q humn-1-ai-website-scanner-human-certification-by-winston-ai
fi
echo "Done. Restart any service that loaded the old library."

If you can't patch immediately

Apply at least one of the following inline controls until you can deploy the patched build. None replace the upgrade.

Restrict exposure with nftables (Linux)


# Allow only trusted CIDR to reach the affected service ports
sudo nft add table inet filter 2>/dev/null || true
sudo nft 'add chain inet filter input { type filter hook input priority 0 ; }' 2>/dev/null || true
sudo nft 'add rule inet filter input tcp dport {80, 443} ip saddr != 10.0.0.0/8 drop'
sudo nft list ruleset

Block at the host firewall (Windows)


New-NetFirewallRule -DisplayName "Block-CVE-2026-1981" -Direction Inbound -Action Block -Protocol TCP -LocalPort 80,443 -RemoteAddress Any -Enabled True
Get-NetFirewallRule -DisplayName "Block-CVE-2026-1981"

Disable the affected service (Linux)


sudo systemctl stop humn-1-ai-website-scanner-human-certification-by-winston-ai 2>/dev/null || true
sudo systemctl disable humn-1-ai-website-scanner-human-certification-by-winston-ai 2>/dev/null || true

If the vendor advisory lists an official workaround, prefer that wording verbatim. If no workaround is published, the only safe remediation is the patch.

How to verify the fix worked

After upgrading, confirm the installed version matches the patched build and that no old library is still loaded by a long-running process.


# Linux
dpkg -s humn-1-ai-website-scanner-human-certification-by-winston-ai 2>/dev/null | grep -i ^Version
rpm -q humn-1-ai-website-scanner-human-certification-by-winston-ai 2>/dev/null || true
# Pid map check for old library handles
sudo lsof +c0 2>/dev/null | grep -i "DEL.*lib" || true


# Windows
Get-Package -Name "*HUMN-1 AI Website Scanner & Human Certification by Winston AI*" | Select-Object Name, Version
Get-HotFix | Sort-Object InstalledOn -Descending | Select-Object -First 5

Expected: the reported version is at or above See vendor advisory. Restart the affected service (systemctl restart <service> on Linux, or restart the Windows service) so it loads the patched binary.

Frequently asked questions

Other vulnerabilities in the same area that are worth patching alongside this one:

How to Fix CVE-2026-23977: Critical Vulnerability in Helpdesk Support Ticket System for WooCommerce — Critical Vulnerability in Helpdesk Support Ticket System for WooCommerce
How to Fix CVE-2026-34871: n/a (Bundle Sibling) — n/a (Bundle Sibling)
How to Fix CVE-2026-25803: Hard-coded Credentials in 3dp-manager , Hard-coded Credentials in 3dp-manager
How to Fix CVE-2026-7701: NULL Pointer Dereference in Desktop , NULL Pointer Dereference in Desktop
How to Fix CVE-2026-0555: Critical Vulnerability in Premmerce , Critical Vulnerability in Premmerce

Is CVE-2026-1981 actively exploited?

There is no public confirmation of exploitation in the wild listed in CISA KEV at the time of this writing. Patch anyway. Public exploits commonly follow disclosure within weeks.

Do I need to reboot after patching CVE-2026-1981?

For kernel and OS-level updates, yes. For most userland packages a systemctl restart <service> is enough on Linux, and restarting the Windows service or app on Windows. Any process that loaded the old library keeps using it until restarted.

What is the CVSS score for CVE-2026-1981?

4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Where is the official advisory for CVE-2026-1981?

The vendor advisory is at https://www.wordfence.com/threat-intel/vulnerabilities/id/b1a82073-ab63-42dd-9bc0-d21f53a5af25?source=cve. The NVD record is at https://nvd.nist.gov/vuln/detail/CVE-2026-1981.

References

Official vendor advisory: https://www.wordfence.com/threat-intel/vulnerabilities/id/b1a82073-ab63-42dd-9bc0-d21f53a5af25?source=cve
NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-1981
CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Additional reference: https://plugins.trac.wordpress.org/browser/winston-ai-wp/trunk/ajax/Ajax_Admin.php#L38
Additional reference: https://plugins.trac.wordpress.org/browser/winston-ai-wp/tags/0.0.3/ajax/Ajax_Admin.php#L38
Additional reference: https://plugins.trac.wordpress.org/browser/winston-ai-wp/trunk/ajax/Ajax_Admin.php#L193

*Written by Sai Kiran Pandrala. Assembled from the official vendor advisory, NVD record, and CISA KEV listing on 2026-05-25. Always confirm against the vendor's advisory before applying changes in production.*