EUVD-2026-49655
GHSA-j7f2-xp3w-7hpv
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
CVSS vector taken from input; notable conflict with description's 'Unauthenticated'.
Primary rating from Vendor (patchstack).
CVSS VectorVendor: patchstack
Lifecycle Timeline
1DescriptionCVE.org
Unauthenticated Cross Site Scripting (XSS) in Anti Spam and list cleaner – AcyChecker <= 1.8.1 versions.
AnalysisAI
Cross-site scripting (XSS) in the AcyChecker WordPress plugin allows attackers with low-privileged access (e.g., subscriber) to inject malicious scripts into admin pages. No public exploit code or active exploitation has been reported, and the absence of KEV and EPSS data suggests low current risk.
Technical ContextAI
This is a reflected or stored XSS vulnerability (CWE-79) within a WordPress plugin that handles spam and list cleaning. CPE data indicates the affected software is 'acychecker:acychecker' with versions up to 1.8.1. The root cause is improper neutralization of user‑supplied input in a web application context, allowing script injection that can execute in a victim's browser.
RemediationAI
Update the AcyChecker plugin to version 1.8.2 or later, which contains the fix per the Patchstack advisory. No workaround is available; upgrading is the recommended action. Ensure all WordPress installations running AcyChecker are patched promptly.
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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