How severe is CVE-2024-8964?

CVE-2024-8964 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-8964 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-8964?

CVE-2024-8964 affects Sirv. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-8964?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-8964 have an EU (EUVD) identifier?

Yes. CVE-2024-8964 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49511.

When was CVE-2024-8964 published?

CVE-2024-8964 was published on 2024-10-08 and last updated on 2026-06-17.

CVE-2024-8964

CVE-2024-8964 is a medium-severity vulnerability in Sirv with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49511
Weakness: CWE-79
Affected product: Sirv
Published: 2024-10-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2024-8964?: CVE-2024-8964 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-8964 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-8964?: CVE-2024-8964 affects Sirv. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-8964?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-8964 have an EU (EUVD) identifier?: Yes. CVE-2024-8964 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49511.
When was CVE-2024-8964 published?: CVE-2024-8964 was published on 2024-10-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sirv:sirv:*:*:*:*:*:wordpress:*:*

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