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CVE-2024-34356

TYPO3 vulnerable to Cross-Site Scripting in the Form Manager Module

MEDIUM
5.4
CVSS Score
Published: May 14, 2024 at 02:05 PM UTC
Updated: June 17, 2026 at 07:33 AM UTC
1 product affected across 1 vendorTYPO3

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

TYPO3 is an enterprise content management system. Starting in version 9.0.0 and prior to versions 9.5.48 ELTS, 10.4.45 ELTS, 11.5.37 LTS, 12.4.15 LTS, and 13.1.1, the form manager backend module is vulnerable to cross-site scripting. Exploiting this vulnerability requires a valid backend user account with access to the form module. TYPO3 versions 9.5.48 ELTS, 10.4.45 ELTS, 11.5.37 LTS, 12.4.15 LTS, and 13.1.1 fix the problem described.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

TYPO3· TYPO3composer
95%
v < 10.4.45v < 11.5.37v < 12.4.15v < 13.1.1v < 9.5.4810.0.0 ≤ v < 10.4.4511.0.0 ≤ v < 11.5.3712.0.0 ≤ v < 12.4.1513.0.0 ≤ v < 13.1.19.0.0 ≤ v < 9.5.48
Affected range stops below 10.4.45, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.5.37, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.4.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.5.48, so it looks safe — our inference, not a vendor statement

References (5)

x_refsource_MISCPatch
Source: [email protected]
https://github.com/TYPO3/typo3/commit/2832e2f51f929aeddb5de7d667538a33ceda8156
x_refsource_MISCPatch
Source: [email protected]
https://github.com/TYPO3/typo3/commit/d0393a879a32fb4e3569acad6bdb5cda776be1e5
x_refsource_MISCPatch
Source: [email protected]
https://github.com/TYPO3/typo3/commit/e95a1224719efafb9cab2d85964f240fd0356e64
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://github.com/TYPO3/typo3/security/advisories/GHSA-v6mw-h7w6-59w3
x_refsource_MISCVendor Advisory
Source: [email protected]
https://typo3.org/security/advisory/typo3-core-sa-2024-008

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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