Cotonti 1.0.0 passes the base64-decoded cb parameter to unserialize() without allowed_classes restriction in the comments plugin EditAction. Registered users with comment write permissions can instantiate arbitrary PHP objects and potentially achieve file write or code execution through gadget chains.
Metrics
Affected Vendors & Products
References
History
Mon, 21 Sep 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
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ssvc
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Sun, 20 Sep 2026 05:00:00 +0000
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Cotonti cotonti
Cotonti siena |
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| Vendors & Products |
Cotonti cotonti
Cotonti siena |
Fri, 18 Sep 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
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| Description | Cotonti 1.0.0 passes the base64-decoded cb parameter to unserialize() without allowed_classes restriction in the comments plugin EditAction. Registered users with comment write permissions can instantiate arbitrary PHP objects and potentially achieve file write or code execution through gadget chains. | |
| Title | Cotonti 1.0.0 PHP Object Injection via Comments Plugin Edit Action cb Parameter | |
| First Time appeared |
Cotonti
Cotonti cotonti Siena |
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| Weaknesses | CWE-502 | |
| CPEs | cpe:2.3:a:cotonti:cotonti_siena:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Cotonti
Cotonti cotonti Siena |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-09-18T19:56:37.540Z
Updated: 2026-09-24T14:23:20.808Z
Reserved: 2026-09-18T19:39:42.007Z
Link: CVE-2026-93872
Updated: 2026-09-21T16:42:43.076Z
Status : Deferred
Published: 2026-09-18T20:17:35.250
Modified: 2026-09-22T20:53:07.383
Link: CVE-2026-93872
No data.