XSS in Wp-Eventmanager Wp Event Manager
CVE-2023-4423
The WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 3.1.37.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/dd9d22b0-a84a-4bf2-b8b4-89bae… (Third Party Advisory)
- github.com/Jacky-Y/vuls/blob/main/vul5.md (Exploit, Third Party Advisory)
- plugins.trac.wordpress.org/changeset (Patch)
- github.com/wpeventmanager/wp-event-manager/issues/1483 (Exploit, Patch, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-4423?
- CVE-2023-4423 is a medium-severity vulnerability in Wp-Eventmanager Wp Event Manager, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2023-09-27.
- How severe is CVE-2023-4423?
- Medium severity. CVSS v3 base score is 4.4 out of 10.
- Is CVE-2023-4423 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.