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Fencer Vulns
medium 5.4

CVE-2024-34356 json

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

published 2024-05-14 2 y ago modified 2026-09-10 1 mo ago also EUVD-2024-1790 , GHSA-v6mw-h7w6-59w3

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

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.

Patch / fix

  • packagist typo3/cms-core 9.5.48, 10.4.45, 11.5.37, 12.4.15, 13.1.1
  • typo3 typo3 9.5.48, 10.4.45, 11.5.37, 12.4.15, 13.1.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist typo3/cms-core
>=9.0.0, <9.5.48
>=10.0.0, <10.4.45
>=11.0.0, <11.5.37
>=12.0.0, <12.4.15
>=13.0.0, <13.1.1
9.5.48
10.4.45
11.5.37
12.4.15
13.1.1

Affected products

  • TYPO3 typo3

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.