CVE-2026-24378 is a critical Deserialization of Untrusted Data vulnerability (CWE-502) in Metagauss EventPrime's eventprime-event-calendar-management plugin, affecting versions up to and including 4.2.8.0, which allows for Object Injection. This flaw carries a CVSSv3.1 score of 9.8 (CRITICAL) due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability without requiring user interaction or privileges. Despite its severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion or media coverage, as indicated by its low EPSS score and inactive status on the Hot List.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0, <= 4.2.8.0CPE match | cpe:2.3:a:metagauss:eventprime:*:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.