Symfony potential Cross-site Scripting vulnerabilities in CodeExtension filters
### Description Some Twig filters in CodeExtension use "is_safe=html" but don't actually ensure their input is safe. ### Resolution Symfony now escapes the output of the affected filters. The patch for this issue is available [here](https://github.com/symfony/symfony/commit/9da9a145ce57e4585031ad4bee37c497353eec7c) for branch 4.4. ### Credits We would like to thank Pierre Rudloff for reporting the issue and to Nicolas Grekas for providing the fix.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2023-46734US | medium6.1 | — | ||
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Starting in versions 2.0.0, 5.0.0, and 6.0.0 and prior to versions 4.4.51, 5.4.31,… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2023-46734.yamlWEB
- https://github.com/symfony/symfonyPACKAGE
- https://github.com/symfony/symfony/commit/5d095d5feb1322b16450284a04d6bb48d1198f54WEB
- https://github.com/symfony/symfony/commit/9da9a145ce57e4585031ad4bee37c497353eec7cWEB
- https://github.com/symfony/symfony/security/advisories/GHSA-q847-2q57-wmr3WEB
- https://lists.debian.org/debian-lts-announce/2023/11/msg00019.htmlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2023-46734ADVISORY
- https://symfony.com/cve-2023-46734WEB
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