CVE-2026-103334: Five Star Restaurant Reservations information disclosure vulnerability
high 7.5 published 2026-10-05 · updated 2026-10-06
- Affected versions
- 2.7.24 and older
- Fixed in
- 2.8.0
- Latest version
- 2.9.1
- Severity
- High · CVSS 7.5
- Active installs
- 10,000+
- Type
- Information disclosure
What an attacker needs
- Access: None. No account or login is needed (per the CVSS score).
CVSS vector (score by Patchstack): CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
What to do now
- Update Five Star Restaurant Reservations to 2.8.0 or newer (the latest is 2.9.1): 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 Five Star Restaurant Reservations issue.
With WP-CLI:
wp plugin get restaurant-reservations --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
Insertion of Sensitive Information Into Sent Data vulnerability in Etoile Web Design Incorporated Five Star Restaurant Reservations restaurant-reservations allows Retrieve Embedded Sensitive Data.This issue affects Five Star Restaurant Reservations: from n/a through 2.7.24.
References
- NVD CVE-2026-103334 nvd.nist.gov
- Patchstack advisory patchstack.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/restaurant-reservations (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.