WP SVG Images <= 3.3 - Authenticated (author+) Stored Cross-Site Scripting via SVG

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2021-24386
CVSS 6.4 (Medium)
Publicly Published June 14, 2021
Last Updated December 5, 2022
Researcher Rasi

Description

The WP SVG images WordPress plugin before 3.4 did not sanitise the SVG files uploaded, which could allow low privilege users such as author+ to upload a malicious SVG and then perform XSS attacks by inducing another user to access the file directly. In v3.4, the plugin restricted such upload to editors and admin, with an option to also allow author to do so. The description of the plugin has also been updated with a security warning as upload of such content is intended.

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Vulnerability Details for WP SVG Images

Software Type Plugin
Software Slug wp-svg-images (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.4, or a newer patched version
Affected Version
  • <= 3.3
Patched Version
  • 3.4

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