Medium severity6.6NVD Advisory· Published Nov 25, 2025· Updated Jun 17, 2026
CVE-2025-65960
CVE-2025-65960
Description
Contao is an Open Source CMS. From version 4.0.0 to before 4.13.57, before 5.3.42, and before 5.6.5, back end users with precise control over the contents of template closures can execute arbitrary PHP functions that do not have required parameters. This issue has been patched in versions 4.13.57, 5.3.42, and 5.6.5. A workaround for this issue involves manually patching the Contao\Template::once() method.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
contao/core-bundlePackagist | >= 4.0.0, < 4.13.57 | 4.13.57 |
contao/core-bundlePackagist | >= 5.0.0-RC1, < 5.3.42 | 5.3.42 |
contao/core-bundlePackagist | >= 5.4.0-RC1, < 5.6.5 | 5.6.5 |
Affected products
3Patches
Vulnerability mechanics
References
7- contao.org/en/security-advisories/remote-code-execution-in-template-closuresnvdVendor AdvisoryWEB
- github.com/advisories/GHSA-98vj-mm79-v77rghsaADVISORY
- github.com/contao/contao/security/advisories/GHSA-98vj-mm79-v77rnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2025-65960ghsaADVISORY
- github.com/contao/contao/commit/577d7fdd5b1ca84f65f034ff556865422f0a3bd1ghsaWEB
- github.com/contao/contao/commit/676f0855d39007ac9a0dbe7ae6a7414cba2312a5ghsaWEB
- github.com/contao/contao/commit/ebf84c90e5679a67060f396b924ce4a3c3f206b3ghsaWEB
News mentions
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