CVE-2026-2583
The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the metadata fields in all versions up to, and including, 2.1.30 due to insufficient i…
Published Mar 2, 2026 · updated Jun 17, 2026
The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the metadata fields in all versions up to, and including, 2.1.30 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.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Mar 2, 2026 · NIST NVD
Detected
The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the metadata fields in all versions up to, and including, 2.1.30 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.
Jun 17, 2026 · NIST NVD
Updated
The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the metadata fields in all versions up to, and including, 2.1.30 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.
Sources
- NIST NVDVulnerability recordCVE-2026-2583
The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the metadata fields in all versions up to, and including, 2.1.30 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Co
nvd.nist.gov