What’s Vulnerable › Vulnerabilities

CVE-2024-34355: TYPO3 vulnerable to an HTML Injection in the History Module

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-14 · updated 2026-06-17
• Weakness: CWE-79

Description

TYPO3 is an enterprise content management system. Starting in version 13.0.0 and prior to version 13.1.1, the history backend module is vulnerable to HTML injection. Although Content-Security-Policy headers effectively prevent JavaScript execution, adversaries can still inject malicious HTML markup. Exploiting this vulnerability requires a valid backend user account. TYPO3 version 13.1.1 fixes the problem described.

Affected products

• typo3: from 13.0.0 before 13.1.1 — fixed in 13.1.1

How to fix

Upgrade to a fixed version: typo3 13.1.1. Check the vendor advisory for mitigations.

References

• https://github.com/TYPO3/typo3/commit/56afa304ba8b5ad302e15df5def71bcc8d820375
• https://github.com/TYPO3/typo3/security/advisories/GHSA-xjwx-78x7-q6jc
• https://typo3.org/security/advisory/typo3-core-sa-2024-007
• https://github.com/TYPO3/typo3/commit/56afa304ba8b5ad302e15df5def71bcc8d820375
• https://github.com/TYPO3/typo3/security/advisories/GHSA-xjwx-78x7-q6jc
• https://typo3.org/security/advisory/typo3-core-sa-2024-007

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