CVE-2026-8940Disclosure

LOWCVSS 4.3 · 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 WP Meta Sort Posts plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 0.9. This is due to missing or incorrect nonce validation on the top-level included script in msp-options.php. This makes it possible for unauthenticated attackers to change the plugin's msp_loop_file and msp_nav_location settings via a forged request via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

1.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-352

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Threat summary

  • Public PoC is present in monitored signal
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-06-09); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-06-09: 1Mentions · 2026-06-11: 1PoC Mentioned / Linked · 2026-06-11: 1Technical Details · 2026-06-09: 1Technical Details · 2026-06-11: 106-0906-11
Signal classification2 categories
Disclosure
150.0%
PoC
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-06-091
Disclosure1
2026-06-111
PoC1
Full discourse2 posts
  • Atomic Edge@atomicedgeWAF
    PoC

    https://atomicedge.io/cve-proof/cve-2026-8940-wp-meta-sort-posts-version-0-9-medium-vulnerability-proof-of-concept CVE-2026-8940 wp-meta-sort-posts (CVSS Score 4.3) #WordPress plugin #vulnerability #cybersecurity #wordpressfirewall #wordpresssecurity #hacking #wpsecurity #atom…

    Post summary

    The tweet links to a proof‑of‑concept for CVE‑2026‑8940 in the wp‑meta‑sort‑posts plugin, noting a CVSS score of 4.3, but does not provide exploit code, evidence of active exploitation, or any patches.

    0000032
    8 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-8940 Cross-Site Request Forgery in WP Meta Sort Posts Plugin Versions Up to 0.9 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-8940

    Post summary

    The post announces CVE-2026-8940, a CSRF flaw in WP Meta Sort Posts plugin versions up to 0.9, but contains no PoC, exploit details, or patch information.

    0000047
    4.0K followersView on X

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