Description
An uncaught exception in the Bookmark Toolbar of TYPO3 CMS versions 11.0.0–11.5.47, 12.0.0–12.4.36, and 13.0.0–13.4.17 lets administrator‑level backend users trigger a denial‑of‑service condition in the backend user interface by saving manipulated data in the bookmark toolbar.
CVSS Metrics
- Vector
- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Attack Vector
- network
- Complexity
- low
- Privileges
- high
- User Action
- none
- Confidentiality
- undefined
- Integrity
- undefined
- Availability
- undefined
- Weaknesses
- CWE-248
Metadata
- Primary Vendor
- TYPO3
- Published
- 9/9/2025
- Last Modified
- 9/10/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
typo3 : typo3typo3 : typo3typo3 : typo3
AI-Powered Remediation
Generate remediation guidance or a C-suite brief for this vulnerability.