How to fix CVE-2025-59014?

Within 30 days: Identify affected systems running the Bookmark Toolbar of TYPO3 CMS and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Is Typo3 affected by CVE-2025-59014?

Organizations using the Bookmark Toolbar of TYPO3 CMS should be aware of moderate risk from CVE-2025-59014 rated CVSS 5.1. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

CVE-2025-59014

MEDIUM

2025-09-09 f4fb688c-4412-4426-b4b8-421ecf27b14a

5.1

CVSS 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/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

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Lifecycle Timeline

Patch Released

Mar 31, 2026 - 21:13 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 19:11 vuln.today

CVE Published

Sep 09, 2025 - 09:15 nvd

MEDIUM 5.1

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.

Analysis

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. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified under CWE-248. 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. Affected products include: Typo3.

Affected Products

Typo3.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +26

POC: 0

CVE-2025-59014 vulnerability details – vuln.today

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CVE-2025-59014

CVSS Vector

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Analysis

Technical Context

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CVE-2025-59014

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code