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CVE-2021-24980

MEDIUM 6.1 CVSS 3.1
Published
December 27, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The Gwolle Guestbook WordPress plugin before 4.2.0 does not sanitise and escape the gwolle_gb_user_email parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue in an admin page

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

  • Unknown Gwolle Guestbook — From 4.2.0 (including) to 4.2.0 (excluding)
  • gwolle_guestbook_project gwolle_guestbook — Before 4.2.0

References

  • wpscan.com https://wpscan.com/vulnerability/e50bcb39-9a01-433f-81b3-fd4018672b85 Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record