CVE-2026-100524

Cotonti through 1.0.0 contains a cross-site request forgery vulnerability in the extensions manager that allows attackers to perform state-changing actions without anti-CSRF token validation. Attackers can craft links or embed images to force administrators to install, update, pause, or unpause extensions by tricking them into visiting a malicious page while authenticated.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

EPSS

0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-25)

CWE

CWE-352

Published

2026-09-26

Modified

2026-09-30

Record from

the NVD, synced 2026-10-19

References

• https://github.com/Cotonti/Cotonti
• https://github.com/Cotonti/Cotonti/blob/1.0.0/system/admin/admin.extensions.php
• https://github.com/Cotonti/Cotonti/issues/1907
• https://github.com/Cotonti/Cotonti/pull/1908
• https://www.vulncheck.com/advisories/cotonti-through-1.0.0-cross-site-request-forgery-via-extensions-manager

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