What is CVE-2023-4635?

CVE-2023-4635 is a medium-severity vulnerability in Ashanjay Eventon – Events Calendar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-21.

How severe is CVE-2023-4635?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2023-4635 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Ashanjay Eventon – Events Calendar

CVE-2023-4635

The EventON plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'tab' parameter in versions up to, and including, 2.2.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Ashanjay Eventon – Events Calendar — versions 0
Myeventon Eventon-lite

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

security@wordfence.com (Exploit, Third Party Advisory)
security@wordfence.com (Exploit, Third Party Advisory)
security@wordfence.com

Frequently asked questions

What is CVE-2023-4635?: CVE-2023-4635 is a medium-severity vulnerability in Ashanjay Eventon – Events Calendar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-21.
How severe is CVE-2023-4635?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-4635 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.