Connect your agent
AdvisoriesCriticalCheck your lockfilePluginHow it worksPricing Connect your agent

Advisory record · GHSA-xrcq-533q-8rxw

TYPO3 Bookmark Toolbar vulnerable to denial of service

CVSS 5.1 MediumEPSS 0.0029 · 21st percentile

Published by the GitHub Advisory Database at 9 Sept 2025, 09:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
typo3/cms-backendPackagist>=11.0.0, <12.4.37 || >=12.0.0, <12.4.37 || >=13.0.0, <13.4.1812.4.37, 13.4.18
Identifiers
GHSA-xrcq-533q-8rxw · CVE-2025-59014 · PKSA-957f-x856-svyv
Weakness (CWE)
CWE-248
Tags
Published
9 Sept 2025
Updated
9 Sept 2025

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

TYPO3 CMS (typo3/cms-backend) versions 11.0.0 to before 12.4.37, 12.0.0 to before 12.4.37, and 13.0.0 to before 13.4.18 are affected. An administrator-level backend user who saves manipulated data in the Bookmark Toolbar can trigger an uncaught exception that causes a denial of service in the backend user interface. Upgrade to 12.4.37 or 13.4.18, depending on your release line.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.1 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CNA (TYPO3)
  • CISA KEV Not listed.
  • EPSS 0.0029, the 21st percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:26 UTC First seen by agentprime
  2. 31 Oct 2026, 14:26 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.