VulnSocial

CVE-2026-24378Disclosure

LOWCVSS 9.8 · CRITICAL

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Prioritize remediation for affected systems immediately
  • 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

Deserialization of Untrusted Data vulnerability in Metagauss EventPrime eventprime-event-calendar-management allows Object Injection.This issue affects EventPrime: from n/a through <= 4.2.8.0.

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3.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-502

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Threat summary

  • Public PoC and exploit tooling are both present
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Exploit tool or code specified in 1 signal
  • PoC mentioned or linked in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-03-30); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-03-30: 1Mentions · 2026-04-09: 1PoC Mentioned / Linked · 2026-04-09: 1Exploit Tool / Code · 2026-04-09: 1Technical Details · 2026-03-30: 103-3004-09
Signal classification2 categories
Disclosure
150.0%
PoC
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-03-301
Disclosure1
2026-04-091
PoC1
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-24378 Deserialization of Untrusted Data vulnerability in Metagauss EventPrime eventprime-event-calendar-management allows Object Injection.This issue affects EventPrime: fr… https://www.cve.org/CVERecord?id=CVE-2026-24378

    Post summary

    The post documents a newly disclosed deserialization vulnerability in EventPrime that could enable object injection, but provides no PoC, exploit code, patch, or evidence of active exploitation.

    00010103
    56.8K followersView on X
  • Atomic Edge@atomicedgeWAF
    PoC

    https://atomicedge.io/cve-proof/cve-2026-24378-eventprime-event-calendar-management-version-4-2-8-0-high-vulnerability-proof-of-concept CVE-2026-24378 #WordPress plugin #vulnerability eventprime-event-calendar-management #cybersecurity #wordpressfirewall #wordpresssecurity #ha…

    Post summary

    The tweet links to a proof‑of‑concept for CVE‑2026‑24378 affecting the EventPrime Event Calendar WordPress plugin, but it does not describe active exploitation, a patch, or detailed technical characteristics.

    0000053
    6 followersView on X

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