Twig CVE-2025-24374: Missing output escaping for the null coalesce operator

January 29, 2025 • Published by Fabien Potencier

Affected versions

Twig versions >=3.16.0,<3.19.0 are affected by this security issue.

The issue has been fixed in Twig 3.19.0.

Description

When using the null coalesce operator (??), output escaping was missing for the expression on the left side of the operator.

Resolution

Output escaping for the ?? operator has been fixed.

The patch for this issue is available here for the 3.x branch.

Credits

We would like to thank Phil E. Taylor for reporting the issue and Fabien Potencier for providing the fix.

Published in #Security Advisories #Twig

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Twig CVE-2025-24374: Missing output escaping for the null coalesce operator

Affected versions

Description

Resolution

Credits

Comments

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