What is CVE-2024-9021?

CVE-2024-9021 is a medium-severity vulnerability in Relevanssi, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-10-08.

How severe is CVE-2024-9021?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2024-9021 known to be exploited?

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

XSS in Relevanssi

CVE-2024-9021

In the process of testing the Relevanssi WordPress plugin before 4.23.1, a vulnerability was found that allows you to implement Stored XSS on behalf of the Contributor+ by embedding malicious script, which entails account takeover backdoor

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (33.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Relevanssi
Unknown Relevanssi — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

contact@wpscan.com (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2024-9021?: CVE-2024-9021 is a medium-severity vulnerability in Relevanssi, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-10-08.
How severe is CVE-2024-9021?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2024-9021 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.