CVE-2021-23263: Transmission of Private Resources into a New Sphere ('Resource Leak') in Crafter Engine

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-02 · updated 2026-06-17
Weakness: CWE-402

Description

Unauthenticated remote attackers can read textual content via FreeMarker including files /scripts/*, /templates/* and some of the files in /.git/* (non-binary).

Affected products

Crafter Software Crafter CMS: from 3.1.0 before 3.1.15 — fixed in 3.1.15

How to fix

Upgrade to a fixed version: Crafter Software Crafter CMS 3.1.15. Check the vendor advisory for mitigations.

References

https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120106
https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120106

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