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CVE-2026-42612

5.4 medium SSVC exploitation: poc Analyzed

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting (XSS) vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss() function when handling unquoted HTML event attributes. This vulnerability is fixed in 2.0.0-beta.2.

Fix

Patch, vendor advisory and mitigation references on NVD 3

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.4 · getgravNVD modified 2026-10-26 18:10

Affected (CPE criteria) 2

  • cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*
  • cpe:2.3:a:getgrav:grav:2.0.0:beta1:*:*:*:*:*:*

References 3