CVE-2023-47125

By-passing Cross-Site Scripting Protection in HTML Sanitizer

Description

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.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.34%
Vendor Advisory github.com Vendor Advisory typo3.org
Affected: TYPO3 html-sanitizer
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2023-47125?
CVE-2023-47125 has been scored as a medium severity vulnerability.
How to fix CVE-2023-47125?
To fix CVE-2023-47125, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-47125 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-47125 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-47125?
CVE-2023-47125 affects TYPO3 html-sanitizer.
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