CVE-2026-93872highCWE-502

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

21Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 7.7epss 0.4%

probabilidade de exploração

0.4%top 62% das CVEs

exploração observada

nãonenhuma fonte 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

Produtos afetados

Cotonti · Cotonti

Referências

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