HTML Injection Vulnerability in Twig Template Engine by Twig
CVE-2026-47730

5.1MEDIUM

Key Information:

Vendor

TwigPHP

Status
Twig
Vendor
CVE Published:
14 July 2026

What is CVE-2026-47730?

A vulnerability in the Twig template engine allows unescaped output of template or profile names in its HTML profiler dump. This flaw, present in versions 3.0.0 through 3.26.0, can lead to the injection of arbitrary HTML when a user’s browser renders the profiler output. Attackers could exploit this vulnerability to manipulate the rendered output, posing a significant risk to web applications utilizing this template engine. The issue has been addressed in Twig version 3.26.0.

Affected Version(s)

Twig >= 3.0.0, < 3.26.0

References

https://github.com/twigphp/Twig/security/advisories/GHSA-...
x_refsource_CONFIRM
https://github.com/twigphp/Twig/commit/a5f6e8793e603ef34f...
x_refsource_MISC
https://github.com/twigphp/Twig/releases/tag/v3.26.0
x_refsource_MISC

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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