Vulnerability Description
Twig is a template language for PHP. From 3.0.0 until 3.26.0, Twig\Profiler\Dumper\HtmlDumper writes Profile::getTemplate() and Profile::getName() into HTML output without escaping, allowing attacker-controlled template or profile names to inject arbitrary HTML when a browser renders the profiler dump. This issue is fixed in version 3.26.0.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Symfony | Twig | >= 3.0.0, < 3.26.0 |
Related Weaknesses (CWE)
References
- https://github.com/twigphp/Twig/commit/a5f6e8793e603ef34fa86aed2a72f9fbe0b43745Patch
- https://github.com/twigphp/Twig/releases/tag/v3.26.0Release Notes
- https://github.com/twigphp/Twig/security/advisories/GHSA-2g2g-8p8h-fgwmVendor Advisory
FAQ
What is CVE-2026-47730?
CVE-2026-47730 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Twig is a template language for PHP. From 3.0.0 until 3.26.0, Twig\Profiler\Dumper\HtmlDumper writes Profile::getTemplate() and Profile::getName() into HTML output without escaping, allowing attacker-...
How severe is CVE-2026-47730?
CVE-2026-47730 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-47730?
Check the references section above for vendor advisories and patch information. Affected products include: Symfony Twig.