What is CVE-2024-8964?

CVE-2024-8964 is a medium-severity vulnerability in Sirv Image Optimizer, Resizer And Cdn –, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-10-08.

How severe is CVE-2024-8964?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2024-8964 known to be exploited?

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

XSS in Sirv Image Optimizer, Resizer And Cdn –

CVE-2024-8964

The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 7.2.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (24.7th percentile) — read the EPSS interpretation.

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.

Affected products

Sirv Image Optimizer, Resizer And Cdn – — versions 0
Sirv

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Release Notes)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2024-8964?: CVE-2024-8964 is a medium-severity vulnerability in Sirv Image Optimizer, Resizer And Cdn –, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-10-08.
How severe is CVE-2024-8964?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2024-8964 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.