CVE-2026-93870 json
Cotonti through 1.0.0 Cross-Site Request Forgery in the Ratings Plugin AJAX Handler
published last mo. modified last mo. also EUVD-2026-83367
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 8%
- public exploits
- 0
- none known
Summary
Cotonti through 1.0.0 fails to validate anti-CSRF tokens in the ratings plugin AJAX handler, allowing attackers to forge ratings on behalf of authenticated users. Attackers can craft malicious pages that auto-submit POST requests to modify stored rating data when visited by logged-in users.
Patch / fix
- github.com/Cotonti/Cotonti#1900 pull request
Is CVE-2026-93870 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/Cotonti/Cotonti/issues/1892 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Cotonti Cotonti
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
github.com
/Cotonti/Cotonti/pull/1900
patch, issue-tracking
-
github.com
/Cotonti/Cotonti/issues/1892
issue-tracking, exploit
-
github.com
/Cotonti/Cotonti/blob/1.0.0/plugins/ratings/ratings.ajax.php
technical-description
-
github.com
/Cotonti/Cotonti
product
-
vulncheck.com
/advisories/cotonti-through-1.0.0-cross-site-request-forgery-in-the-ratings-plugin-ajax-handler
third-party-advisory
Sources
- CVE List CVE-2026-93870
- NVD CVE-2026-93870
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.