Reported vulnerability
YOP Poll <= 6.3.0 - Author+ Stored Cross-Site Scripting via Options Module
Published 15 Oct 2021
Updated 22 Jan 2024
CVE-2021-24834
Compare your installed software with the affected versions below. Follow the source’s remediation guidance and test an available update after taking a backup. A database entry describes a reported issue; it does not establish whether a particular website has been compromised.
Does this affect my version?
Check your installed version against this advisory. This compares the report’s version ranges and does not scan your website.
Wordfence advisory
medium · CVSS 5.4The 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.
Severity vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
YOP Poll
- Software
- plugin · yop-poll
- Affected versions
- Start version unspecified, through 6.3.0
- Fix availability
- Fix available
- Fixed versions
- 6.3.1
Recommended action
Update to version 6.3.1, or a newer patched version
Further references (1)
Data sources and licences
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CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
Read licence termsSource: Wordfence
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Get help with this issueQuestions about this vulnerability
Which versions of YOP Poll are affected?
Wordfence lists these affected versions: Start version unspecified, through 6.3.0. Use the version checker above to compare your installed release with this report.
Is a fix available for YOP Poll?
Wordfence reports a fix for this issue in YOP Poll. It lists these fixed versions: 6.3.1. Back up your website and test the recommended update before applying it to your live site.
Where can I find my installed plugin version?
In WordPress, open Plugins > Installed Plugins and find the version shown beneath the plugin name.
Does an affected version mean my website has been hacked?
An affected version means the installed release matches a vulnerability described in this report. It does not show whether anyone has exploited it on your website. The checker compares version numbers with stored reports; it does not inspect your website.
Other reports for the same product
These reports cover at least one of the same plugins, themes or WordPress core. Check each report’s affected versions separately.
- YOP Poll <= 7.0.10 - Unauthenticated Origin Validation Error to Administrator Account Takeover via '/auth/wp-login-redirect' REST RouteUpdated 24 Sept 2026
- YOP Poll 7.0.0-7.0.5 - IP Spoofing to Vote Restriction BypassUpdated 13 Aug 2026
- YOP Poll <= 6.5.38 - Missing AuthorizationUpdated 17 Nov 2025
- YOP Poll <= 6.5.37 - Unauthenticated Stored Cross-Site ScriptingUpdated 29 Oct 2025
- YOP Poll <= 6.5.26 - Race Condition to Vote ManipulationUpdated 22 Jan 2024