CVE-2026-91939

Katalog CVE

CVSS 9.8 · Critical EPSS 0,98%

Kerentanan Deserialization of Untrusted Data. Skor CVSS 3.1 9.8 (Critical) menurut vulncheck.com.

Deskripsi (NVD)

Cotonti 1.0.0 Comments plugin passes the ci GET parameter to unserialize() without allowed_classes restriction, allowing unauthenticated attackers to instantiate arbitrary PHP classes with attacker-controlled properties. Attackers can exploit PHP object injection through crafted serialized payloads to trigger gadget chains and achieve database manipulation or code execution.

Rincian

Terbit di NVD

15 September 2026

Terakhir diubah

16 September 2026

Status NVD

Deferred

CVSS 3.1

9.8 (Critical), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-502: Deserialization of Untrusted Data

EPSS (30 hari)

0,98% peluang dieksploitasi; lebih tinggi dari 61,1% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/Cotonti/Cotonti
• https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/comments/comments.setup.php
• https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/comments/controllers/actions/DisplayAction.php
• https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/comments/inc/CommentsWidget.php
• https://github.com/Cotonti/Cotonti/issues/1888
• https://github.com/Cotonti/Cotonti/pull/1889
• https://www.vulncheck.com/advisories/cotonti-1.0.0-comments-plugin-php-object-injection-via-ci-parameter