Skip to content
Fencer Intel
medium 4.3

CVE-2012-3531 json

Typo3 Install Tool XSS Vulnerability

published 2012-09-05 14 y ago modified 2026-06-16 4 mo ago also GHSA-p9wg-jvj4-cx26 , EUVD-2022-4733

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in the Install Tool in TYPO3 4.5.x before 4.5.19, 4.6.x before 4.6.12 and 4.7.x before 4.7.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Patch / fix

  • packagist typo3/cms 4.5.19, 4.6.12, 4.7.4

Exploit prediction

1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected packages

ecosystem package affected fixed in
packagist typo3/cms
>=4.5, <4.5.19
>=4.6, <4.6.12
>=4.7, <4.7.4
4.5.19
4.6.12
4.7.4

Classification

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

References

Sources

Fencer Intel 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.