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CVE-2026-112951

5.4 medium SSVC exploitation: poc Deferred
NVD · CVE.org

ApostropheCMS is an open-source Node.js content management system. Prior to 4.34.0, the color field accepts trailing content after a valid rgb() or hsl() prefix because its TinyColor validation does not require the entire value to match a color. An authenticated user with edit rights can store arbitrary HTML after a valid color prefix. When the stored value is rendered, the payload executes, resulting in stored XSS. This issue is fixed in version 4.34.0.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 5

  1. StatusPublished → DeferredNVD modified 2026-10-20 19:53
  2. StatusReceived → PublishedNVD modified 2026-10-20 16:43
  3. StatusPublished → ReceivedNVD modified 2026-10-20 17:17
  4. StatusReceived → PublishedNVD modified 2026-10-20 15:37
  5. First seenCVSS 5.4NVD modified 2026-10-20 16:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 5