CVE Watch12 ago 2026

CVE-2026-4431

The Easy Post Submission plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `c

CVSS

9.1

Crítico

EPSS

0.3%

p27

KEV

—

Exploit Today

0-100

Publicado: 5 ago 2026 · Última mod.: 12 ago 2026 · CWE-862

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-08-182026-09-14

Descripción técnica

The Easy Post Submission plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `create_post()` function in all versions up to, and including, 2.3.0. This is due to the `rbsm_submit_post` AJAX action being registered for unauthenticated users via `wp_ajax_nopriv_rbsm_submit_post` without any authorization checks when a `postId` parameter is supplied. This makes it possible for unauthenticated attackers to modify the title, content, excerpt, categories, and tags of arbitrary posts, as well as change the post status to draft (effectively unpublishing them) via the 'postId' parameter.

Referencias oficiales

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