CVE-2025-3527: EventON - WordPress Virtual Event Calendar Plugin <= 4.9.6 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting

6.4 CVSS

Description

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.

Classification

CVE ID: CVE-2025-3527

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.4

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem Types

CWE-862 Missing Authorization

Affected Products

Vendor: EventON

Product: EventON (Pro) - WordPress Virtual Event Calendar Plugin

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 5.33% (scored less or equal to compared to others)

EPSS Date: 2025-06-07 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-3527
https://www.wordfence.com/threat-intel/vulnerabilities/id/549ca9cf-0183-4c19-9bd5-b6d55a69df31?source=cve
https://codecanyon.net/item/eventon-wordpress-event-calendar-plugin/1211017#item-description__change-log

Timeline