CVE-2023-47125: By-passing Cross-Site Scripting Protection in HTML Sanitizer
First published: Tue Nov 14 2023(Updated: )
> ### CVSS: `CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C` (4.4) ### Problem DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of [`typo3/html-sanitizer`](https://packagist.org/packages/typo3/html-sanitizer). ### Solution Update to `typo3/html-sanitizer` versions 1.5.3 or 2.1.4 that fix the problem described. ### Credits Thanks to Yaniv Nizry and Niels Dossche who reported this issue, and to TYPO3 core & security team member Oliver Hader who fixed the issue. ### References * [TYPO3-CORE-SA-2023-007](https://typo3.org/security/advisory/typo3-core-sa-2023-007) * [Context & Details at `masterminds/html5`](https://github.com/Masterminds/html5-php/issues/241)
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/typo3/html-sanitizer | >=2.0.0<=2.1.3 | 2.1.4 |
| composer/typo3/html-sanitizer | >=1.0.0<=1.5.2 | 1.5.3 |
| TYPO3 HTML Sanitizer | >=1.0.0<1.5.3 | |
| TYPO3 HTML Sanitizer | >=2.0.0<2.1.4 | |
| Typo3 Typo3 | >=8.7.42<8.7.55 | |
| Typo3 Typo3 | >=9.5.29<9.5.44 | |
| Typo3 Typo3 | >=10.4.19<10.4.41 | |
| Typo3 Typo3 | >=11.3.2<11.5.33 | |
| Typo3 Typo3 | >=12.0.0<12.4.8 |
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Reference Links
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2023-47125
- https://github.com/advisories/GHSA-mm79-jhqm-9j54 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2023-47125?
The severity of CVE-2023-47125 is medium with a CVSS score of 4.4.
How does CVE-2023-47125 affect the software?
CVE-2023-47125 affects the `typo3/html-sanitizer` package version 2.0.0 to 2.1.3 and version 1.0.0 to 1.5.2.
How can I fix CVE-2023-47125?
To fix CVE-2023-47125, upgrade the `typo3/html-sanitizer` package to version 2.1.4 or version 1.5.3.
What is the Common Weakness Enumeration (CWE) ID for CVE-2023-47125?
The CWE ID for CVE-2023-47125 is CWE-79.
Where can I find more information about CVE-2023-47125?
You can find more information about CVE-2023-47125 in the following references: [GitHub Security Advisory](https://github.com/TYPO3/html-sanitizer/security/advisories/GHSA-mm79-jhqm-9j54), [GitHub Commit](https://github.com/TYPO3/html-sanitizer/commit/b8f90717251d968c49dc77f8c1e5912e2fbe0dff), [TYPO3 Security Advisory](https://typo3.org/security/advisory/typo3-core-sa-2023-007).
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