EUVD-2026-49235
GHSA-wcv4-ppqq-x345
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Contributor privileges required (PR:L), user interaction (UI:R), scope change (S:C), low impacts.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
1DescriptionCVE.org
Contributor Cross Site Scripting (XSS) in BetterDocs <= 4.6.2 versions.
AnalysisAI
Stored Cross-Site Scripting (XSS) in the BetterDocs WordPress plugin version 4.6.2 and earlier allows authenticated users with Contributor-level access to inject arbitrary web scripts. When an administrator views the crafted content, the script executes in their session, potentially leading to session hijacking or content manipulation. No active exploitation has been publicly reported.
Technical ContextAI
The vulnerability is a stored (persistent) cross-site scripting issue (CWE-79) within the BetterDocs plugin, a WordPress plugin for creating documentation and knowledge bases. According to the CPE data (cpe:2.3:a:wpdeveloper:betterdocs:*:*:*:*:*:*:*:*), all versions up to 4.6.2 are affected. The root cause is improper neutralization of user-supplied input when Contributor-level users create or edit documentation, allowing malicious HTML/JavaScript to be saved and later executed in the context of an administrator's browser. The CVSS vector (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L) confirms low attack complexity, required low privileges, and user interaction (admin viewing).
RemediationAI
Update the BetterDocs plugin to version 4.6.3 or later, which contains the fix from the vendor. As a general mitigation, restrict user roles to limit Contributor access to trusted users only, and consider using a security plugin that adds a Content Security Policy (CSP) to mitigate XSS impact. The patch is available from the WordPress plugin repository and the vendor advisory linked above. No workarounds other than updating or disabling the plugin are known.
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External POC / Exploit Code
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