9.6

CVE-2024-6522: webnus modern_events_calendar Server-Side Request Forgery (SSRF)

CVSS: 9.6v3.1CriticalAnalyzed
Published 07-08-2024Last modified 08-04-2026

Vulnerability summary

CVE-2024-6522 is a critical (CVSS 9.6) Server-Side Request Forgery (SSRF) vulnerability in webnus modern_events_calendar. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.6/10
010
Critical · v3.1 (NVD)
EPSS score
0.40%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-08-2024
    PublishedVulnerability first disclosed.
  2. 08-04-2026
    Last modifiedVulnerability information updated.

Description

The Modern Events Calendar plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 7.12.1 via the 'mec_fes_form' AJAX function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

33%

Versus all other CVEs

30-day change

0.00 pp

From 0.40% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Webnus2 products
Wordpress2 products
  • modern-events-calendar≤ 7.12.1 (fixed in 7.13.0)
  • modern-events-calendar-lite≤ 7.12.1 (fixed in 7.13.0)

2 vendors · 4 products

References

5 links