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CVE-2021-24834

MEDIUM 5.4 CVSS 3.1
Published
November 17, 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:L/UI:R/S:C/C:L/I:L/A:N

Description

The YOP Poll WordPress plugin before 6.3.1 is affected by a stored Cross-Site Scripting vulnerability which exists in the Create Poll - Options module where a user with a role as low as author is allowed to execute arbitrary script code within the context of the application. This vulnerability is due to insufficient validation of custom label parameters - vote button label , results link label and back to vote caption label.

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 YOP Poll — From 6.3.1 (including) to 6.3.1 (excluding)
  • yop-poll yop_poll — Before 6.3.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2605368 Patch, Third Party Advisory
  • wpscan.com https://wpscan.com/vulnerability/72f58b14-e5cb-4f1c-a16f-621238c6ebbf Third Party Advisory
  • www.fortiguard.com https://www.fortiguard.com/zeroday/FG-VD-21-053 Third Party Advisory
  • nvd.nist.gov Official NVD record