What is CVE-2021-23263?

CVE-2021-23263 is a medium-severity vulnerability in Craftercms Crafter Cms, classified under CWE-402. CVSS score: 5.9/10. Published 2021-12-02.

How severe is CVE-2021-23263?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Craftercms Crafter Cms

CVE-2021-23263

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

Published 2021-12-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.017 (77.0th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.017 · change: +0.001

Affected products

Craftercms Crafter Cms
Crafter Software Cms — versions 3.1

Weakness classification (CWE)

References

docs.craftercms.org/en/3.1/security/advisory.html (Vendor Advisory)

Frequently asked questions

What is CVE-2021-23263?: CVE-2021-23263 is a medium-severity vulnerability in Craftercms Crafter Cms, classified under CWE-402. CVSS score: 5.9/10. Published 2021-12-02.
How severe is CVE-2021-23263?: Medium severity. CVSS v3 base score is 5.9 out of 10.