CVE-2026-92294: Spectra Legacy missing authorization check vulnerability
medium 6.5 published 2026-10-31 · updated 2026-11-03
- Affected versions
- 2.20.4 and older
- Fixed in
- 2.20.5 *
- Latest version
- 2.20.5
- Severity
- Medium · CVSS 6.5
- Active installs
- 1+ million
- Type
- Missing authorization check
* The source does not name a fixed version; this is the first wordpress.org release after the last affected version.
What an attacker needs
- Access: None. No account or login is needed.
CVSS vector (score by Wordfence): CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
What to do now
- Update Spectra Legacy to 2.20.5 or newer: Dashboard → Updates, or Plugins → “update now”.
- If you cannot update right away, deactivate it until you can.
- Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
- Not sure which version you run? Check your version against every known Spectra Legacy issue.
With WP-CLI:
wp plugin get ultimate-addons-for-gutenberg --field=version. - If you ran an affected version and something looks off (new admin users, spam pages, redirects), run the free scan below.
The advisory
The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to limited file deletion due to insufficient file path validation in the '__construct' function in all versions up to, and including, 2.20.4 This makes it possible for unauthenticated attackers to delete theme files on the server.
References
- NVD CVE-2026-92294 nvd.nist.gov
- Wordfence advisory www.wordfence.com
- Code change (fix) plugins.trac.wordpress.org
- Plugin source plugins.trac.wordpress.org
Related
Ran an affected version? Check your site for signs of a hack
The free scan reads the public side of your site and looks for spam pages, hidden redirects, injected scripts and blacklist entries. No login, no install, about a minute.
Where this data comes from
- CVE record, score and references: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
- Versions and install counts: wordpress.org/plugins/ultimate-addons-for-gutenberg (Plugins API), fetched 2026-11-01.
- The summary, “what an attacker needs” and “what to do” sections are our plain-English reading of the record and the plugin's release history; the quoted description is the record's own text. Spot an error? Email Daniel.