CVE-2024-9864: metagauss eventprime Cross-site Scripting
Vulnerability summary
CVE-2024-9864 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in metagauss eventprime. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.1% of scored vulnerabilities. Fixed in 4.0.4.8.
Timeline
- 24-10-2024PublishedVulnerability first disclosed.
- 08-04-2026Last modifiedVulnerability information updated.
Description
The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via ticket names in all versions up to, and including, 4.0.4.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is only exploitable when front-end users can submit new events with tickets.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- wordfenceSource6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.32%
Chance of exploitation in the next 30 days
Percentile
23%
Versus all other CVEs
30-day change
+0.02 pp
From 0.30% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Metagauss2 products
- eventprime< 4.0.4.8
- eventprime – events calendar, bookings and tickets≤ 4.0.4.7
Wordpress1 product
- eventprime-event-calendar-management≤ 4.0.4.7 (fixed in 4.0.4.8)
2 vendors · 3 products