CVE-2026-101093: CSRF (CVSS 5.4)

Description

Cotonti through 1.0.0 contains a cross-site request forgery vulnerability in admin.users.php that allows attackers to delete user groups without token verification. Attackers can craft malicious links or pages that trick authenticated administrators into deleting custom groups and their associated permissions by riding the administrator's session.

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CVSS v3.1 Score

5.4

MEDIUM

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

EPSS — Exploit Prediction

0.0012

Probability of exploitation

0.02%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-352 Cross-Site Request Forgery

References

Other References

https://github.com/Cotonti/Cotonti https://github.com/Cotonti/Cotonti/blob/1.0.0/system/admin/admin.users.php#L136-L140 https://github.com/Cotonti/Cotonti/issues/1907#issuecomment-5845691148 https://github.com/Cotonti/Cotonti/pull/1908 https://www.vulncheck.com/advisories/cotonti-through-1.0.0-cross-site-request-forgery-via-user-group-deletion

Frequently Asked Questions

What is CVE-2026-101093? +

Cotonti through 1.0.0 contains a cross-site request forgery vulnerability in admin.users.php that allows attackers to delete user groups without token verification. Attackers can craft malicious links or pages that trick authenticated administrators into deleting custom groups and their associated permissions by riding the administrator's session. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-101093? +

CVE-2026-101093 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0012, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-101093? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-101093