Description
The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG uploads in versions up to, and including, 2.0.45 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Metrics
CVSS 3.1 5.4/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| creativethemeshq | Blocksy Companion | <= 2.0.45 |
References
- https://plugins.trac.wordpress.org/browser/blocksy-companion/tags/2.0.45/framework/features/svg.php#L20Product
- https://plugins.trac.wordpress.org/changeset/3084198/#file18Patch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5208529c-4ac3-42a4-82d0-7f4d2e486236?source=cveThird Party Advisory
- https://plugins.trac.wordpress.org/browser/blocksy-companion/tags/2.0.45/framework/features/svg.php#L20Product
- https://plugins.trac.wordpress.org/changeset/3084198/#file18Patch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5208529c-4ac3-42a4-82d0-7f4d2e486236?source=cveThird Party Advisory
Timeline
- Published
- May 14, 2024
- Last modified
- Jun 17, 2026
- NVD status
- Modified