CVE-2026-93872highCWE-502

Cotonti 1.0.0 PHP Object Injection via Comments Plugin Edit Action cb Parameter

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 7.7epss 0.4%

probabilidad de explotación

0.4%top 62% de las CVE

explotación observada

noninguna fuente lo reporta

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.

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

Productos afectados

Cotonti · Cotonti

Referencias

https://github.com/Cotonti/Cotonti https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/comments/controllers/actions/EditAction.php https://github.com/Cotonti/Cotonti/blob/1.0.0/system/cache.php https://github.com/Cotonti/Cotonti/issues/1894 https://github.com/Cotonti/Cotonti/pull/1897 https://www.vulncheck.com/advisories/cotonti-1.0.0-php-object-injection-via-comments-plugin-edit-action-cb-parameter