BlogSafe.org

WordPress CVEs

Search and review WordPress-related vulnerability records.

← Back to CVE list

CVE-2021-36830

MEDIUM 4.8 CVSS 3.1
Published
September 30, 2022
Last modified
June 17, 2026
NVD status
Modified
Reported by
audit@patchstack.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Description

Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Comment Guestbook plugin <= 0.8.0 at WordPress.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • mibuthu Comment Guestbook (WordPress plugin) — From <= 0.8.0 (including) to 0.8.0 (including)
  • comment_guestbook_project comment_guestbook — Up to and including 0.8.0

References

  • patchstack.com https://patchstack.com/database/vulnerability/comment-guestbook/wordpress-comment-guestbook-plugin-0-8-0-authenticated-stored-cross-site-scripting-xss-vulnerability?_s_id=cve Third Party Advisory
  • wordpress.org https://wordpress.org/plugins/comment-guestbook/ Product
  • nvd.nist.gov Official NVD record