Easy SVG Support <= 4.0 - Authenticated (Author+) Stored Cross-Site Scripting via SVG File Upload
Vulnerability Description
The Easy SVG Support plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG file uploads in all versions up to, and including, 4.0 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Sornram Kampeera
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/48ff572a-f18f-4b8d-ac58-78063919ff35?source=cve
- https://plugins.trac.wordpress.org/browser/easy-svg/trunk/easy-svg.php#L125
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3395951%40easy-svg&new=3395951%40easy-svg&sfp_email=&sfph_mail=
Affected Vendor
benjamin_zekavica
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