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CVE-2021-24516

MEDIUM 4.8 CVSS 3.1
Published
October 18, 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:H/UI:R/S:C/C:L/I:L/A:N

Description

The PlanSo Forms WordPress plugin through 2.6.3 does not escape the title of its Form before outputting it in attributes, allowing high privilege users such as admin to set XSS payload in it, even when the unfiltered_html is disallowed, leading to an Authenticated Stored Cross-Site Scripting issue.

Affected products and versions

  • Unknown PlanSo Forms — From 2.6.3 (including) to 2.6.3 (including)
  • planso planso_forms — Up to and including 2.6.3

References

  • wpscan.com https://wpscan.com/vulnerability/88d70e35-4c22-4bc7-b1a5-24068d55257c Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record