VulnSocial

CVE-2025-12826PoC

LOWCVSS 4.8 · MEDIUM

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

The Custom Post Type UI plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.18.0. This is due to the plugin not verifying that a user has the required capability to perform actions in the "cptui_process_post_type" function. This makes it possible for authenticated attackers, with subscriber level access and above, to add, edit, or delete custom post types in limited situations.

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1.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-862

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

  • Public PoC is present in monitored signal
  • 1 mentions across 1 observed day

What's happening

  • PoC mentioned or linked in 1 signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-04-21: 1PoC Mentioned / Linked · 2026-04-21: 104-21
Signal classification1 categories
PoC
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Atomic Edge@atomicedgeWAF
    PoC

    https://atomicedge.io/cve-proof/cve-2025-12826-custom-post-type-ui-version-1-18-0-medium-vulnerability-proof-of-concept CVE-2025-12826 #WordPress plugin #vulnerability custom-post-type-ui #cybersecurity #wordpressfirewall #wordpresssecurity #hacking #wpsecurity #atomicedge

    Post summary

    A tweet linking to a proof‑of‑concept for CVE‑2025‑12826 on the WordPress Custom Post Type UI plugin, indicating PoC availability but no active exploitation, patch, or detailed technical info.

    00000203
    6 followersView on X

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