CVE-2023-47125

By-passing Cross-Site Scripting Protection in HTML Sanitizer

CVSS 4.7 MEDIUMEPSS 0.6%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.7EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

14 Nov 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

TYPO3 · html-sanitizer

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References

https://github.com/TYPO3/html-sanitizer/commit/b8f90717251d968c49dc77f8c1e5912e2fbe0dff https://github.com/TYPO3/html-sanitizer/security/advisories/GHSA-mm79-jhqm-9j54 https://typo3.org/security/advisory/typo3-core-sa-2023-007