CVE-2026-3534
The Astra theme for WordPress is vulnerable to Stored Cross-Site Scripting via the and post meta fields in all versions up to, and including, 4.12.3.
Published Mar 11, 2026 · updated Jun 17, 2026
The Astra theme for WordPress is vulnerable to Stored Cross-Site Scripting via the and post meta fields in all versions up to, and including, 4.12.3. This is due to insufficient input sanitization on meta registration and missing output escaping in the function for four CSS-context sub-properties ( , , , ). 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 11, 2026 · NIST NVD
Detected
The Astra theme for WordPress is vulnerable to Stored Cross-Site Scripting via the and post meta fields in all versions up to, and including, 4.12.3. This is due to insufficient input sanitization on meta registration and missing output escaping in the function for four CSS-context sub-properties ( , , , ). This makes it possible for authenticated attackers, with Contributor-level access and above
Jun 17, 2026 · NIST NVD
Updated
The Astra theme for WordPress is vulnerable to Stored Cross-Site Scripting via the and post meta fields in all versions up to, and including, 4.12.3. This is due to insufficient input sanitization on meta registration and missing output escaping in the function for four CSS-context sub-properties ( , , , ). This makes it possible for authenticated attackers, with Contributor-level access and above
Sources
- CVE.orgVulnerability recordCVE-2026-3534
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-3534
The Astra theme for WordPress is vulnerable to Stored Cross-Site Scripting via the and post meta fields in all versions up to, and including, 4.12.3. This is due to insufficient input sanitization on meta registration and m
nvd.nist.gov