CVE-2026-86786: Slider Pro information disclosure vulnerability
medium 5.3 published 2026-10-06
- Affected versions
- 1.0.0 and older
- Fixed in
- 4.7.0 *
- Latest version
- 4.8.17
- Severity
- Medium · CVSS 5.3
- Active installs
- 4,000+
- Type
- Information disclosure
* 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 CISA ADP): CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
What to do now
- Update Slider Pro to 4.7.0 or newer (the latest is 4.8.17): 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 Slider Pro issue.
With WP-CLI:
wp plugin get sliderpro --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 Slider Pro WordPress plugin through 1.0.0 does not perform any capability or authorisation check on one of its AJAX actions, allowing unauthenticated users to retrieve the title, excerpt and permalink of non-public posts, including drafts, pending, scheduled, private and trashed posts, as well as post revisions and media metadata.
References
- NVD CVE-2026-86786 nvd.nist.gov
- WPScan advisory wpscan.com
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/sliderpro (Plugins API), fetched 2026-11-04.
- 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.