EUVD-2025-18865Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Matches NVD vector; PR:L due to contributor access, UI:R required.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionCVE.org
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Chad Butler WP-Members allows Stored XSS.This issue affects WP-Members: from n/a through 3.5.4.
AnalysisAI
Stored cross-site scripting (XSS) in WP-Members plugin for WordPress up to version 3.5.4 allows authenticated attackers with contributor-level access or higher to inject malicious scripts into web pages. These scripts execute when other users view affected pages, potentially leading to session hijacking or defacement. No public exploit or active exploitation has been identified, and the EPSS score is low (0.04%).
Technical ContextAI
The vulnerability is a stored cross-site scripting (XSS) issue, classified under CWE-79. It occurs in the WP-Members plugin, a membership and user management plugin for WordPress. The plugin fails to properly sanitize user-supplied input before storing it in the database and later rendering it in web pages. This allows attackers with sufficient privileges (e.g., contributors) to inject arbitrary JavaScript or HTML. The CVSS vector indicates a network attack vector, low attack complexity, low privileges required, and user interaction required, with a scope change (impact on other components).
RemediationAI
Upgrade WP-Members to version 3.5.5 or later, as the vulnerability is fixed in that release. The vendor advisory from Patchstack provides details. As a workaround, restrict contributor-level access to trusted users only, and consider using a web application firewall (WAF) to filter XSS payloads. Note that disabling the plugin entirely may break membership functionality.
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External POC / Exploit Code
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