The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘has_field_link_rel’ parameter in all versions up to, and including, 2.0.46 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2024-4943 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Theme Blocksy. It affects Versions up to 2.0.46 and is fixed in 2.0.47.
CVE-2024-4943 is tracked for the Theme Blocksy as medium severity with CVSS 6.4. The affected range is Versions up to 2.0.46. Update Blocksy to 2.0.47 or newer where that version is compatible with the site.
| Software Type | Theme |
|---|---|
| Software Slug |
blocksy
View on wordpress.org
|
| CVE | CVE-2024-4943 |
| Patched Versions |
2.0.47
|
| Affected Versions |
Versions up to 2.0.46
|
These internal links group the same WordPress theme by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Blocksy <= 2.1.30 - Authenticated (Contributor+) Stored Cross-Site Scripting via `blocksy_meta` Fields
Blocksy <= 2.0.77 - Authenticated (Contributor+) Stored Cross-Site Scripting
Blocksy <= 2.0.50 - Authenticated (Contributor+) Stored Cross-Site Scripting
Blocksy <= 2.0.42 - Authenticated (Contributor+) Stored Cross-Site Scripting
Blocksy <= 2.0.39 - Authenticated (Contributor+) Stored Cross-Site Scripting via About Me block
Blocksy <= 2.0.33 - Authenticated (Contributor+) Stored Cross-Site Scripting
Blocksy <= 2.0.26 - Authenticated (Contributor+) Stored Cross-Site Scripting
Blocksy <= 2.1.6 - Authenticated (Shop manager+) Stored Cross-Site Scripting
This record contains material that is subject to copyright
License: Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. Read more
License: CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. Read more
