CVE-2023-47125
Bypassing Cross-Site Scripting Protection in TYPO3 HTML Sanitizer
Impact
> ### 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)
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | typo3/html-sanitizer | >= 1.0.0, <= 1.5.2 | 1.5.3 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Typo3 | Html Sanitizer | from 1.0.0 before 1.5.3 from 2.0.0 before 2.1.4 |
| Typo3 | Typo3 | from 8.7.42 before 8.7.55 from 9.5.29 before 9.5.44 from 10.4.19 before 10.4.41 from 11.3.2 before 11.5.33 from 12.0.0 before 12.4.8 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- 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://github.com/advisories/GHSA-mm79-jhqm-9j54
- https://nvd.nist.gov/vuln/detail/CVE-2023-47125