Auth bypass in Eventon (Pro) - WordPress Virtual Event Calendar Plugin
CVE-2025-3527
The EventON Pro plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check in the 'assets/lib/settings/settings.js' file in all versions up to, and including, 4.9.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The vulnerability was partially patched in version 4.9.6.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (9.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/549ca9cf-0183-4c19-9bd5-b6d55… (Third Party Advisory)
- codecanyon.net/item/eventon-wordpress-event-calendar-plugin/1211017 (Release Notes)
Frequently asked questions
- What is CVE-2025-3527?
- CVE-2025-3527 is a medium-severity vulnerability in Eventon (Pro) - WordPress Virtual Event Calendar Plugin, classified under Missing Authorization. CVSS score: 6.4/10. Published 2025-05-17.
- How severe is CVE-2025-3527?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2025-3527 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.