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CVE-2012-1608 typo3/cms

CVE-2012-1608 is a Improper Input Validation vulnerability in typo3/cms. A fix is available for typo3/cms — see the affected versions and patch details below.

Typo3 API XSS Vulnerabilities

Published
May 17, 2022
Updated
Nov 8, 2023
Affected
3 pkgs
Patched
3 / 3
Exploits
None indexed
Exploitation data as of Sep 20, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
2.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs83th percentile — riskier than 83% of all scored CVEsHighest risk

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Real-World Exposure

3 pkgs affected
🐘typo3/cms🐘typo3/cms🐘typo3/cms

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

The t3lib_div::RemoveXSS API method in TYPO3 4.4.0 through 4.4.13, 4.5.0 through 4.5.13, 4.6.0 through 4.6.6, 4.7, and 6.0 allows remote attackers to bypass the cross-site scripting (XSS) protection mechanism and inject arbitrary web script or HTML via non printable characters.

Affected Packages

3 total 3 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagisttypo3/cms4.4.0&&< 4.4.144.4.14composer require typo3/cms:^4.4.14
🐘Packagisttypo3/cms4.5.0&&< 4.5.144.5.14composer require typo3/cms:^4.5.14
🐘Packagisttypo3/cms4.6.0&&< 4.6.74.6.7composer require typo3/cms:^4.6.7

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for typo3/cms, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update typo3/cms to 4.4.14 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2012-1608 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like CVE-2012-1608 can be triaged on real exposure rather than presence alone.

Tailored to CVE-2012-1608. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

The `t3lib_div::RemoveXSS` API method in TYPO3 4.4.0 through 4.4.13, 4.5.0 through 4.5.13, 4.6.0 through 4.6.6, 4.7, and 6.0 allows remote attackers to bypass the cross-site scripting (XSS) protection mechanism and inject arbitrary web script or HTML via non printable characters.
O3 Security · Impact-Aware SCA

Is CVE-2012-1608 in your dependencies?

O3 Security finds CVE-2012-1608 across Packagist dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

CVE-2012-1608: typo3/cms XSS | O3 Security