CVE-2024-11098: SVG Block <= 1.1.24 - Authenticated (Administrator+) Stored Cross-Site Scripting via SVG File Upload

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-11-19 · updated 2026-06-17
Weakness: CWE-79

Description

The SVG Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REST API SVG File uploads in all versions up to, and including, 1.1.24 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

Affected products

mr2p SVG Block: through 1.1.24

References

https://plugins.trac.wordpress.org/changeset/3188270/
https://wordpress.org/plugins/svg-block/#developers
https://www.wordfence.com/threat-intel/vulnerabilities/id/79cc1f11-9b53-4e71-b0cc-8f8ebd4a5f32?source=cve

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