CVE-2021-24454

Name: CVE-2021-24454
Creator: NVD / NIST
Published: 2021-07-12T20:15:09.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.60%

Last modified Jun 17, 2026

CVE-2021-24454 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. In the YOP Poll WordPress plugin before 6.2.8, when a pool is created with the options "Allow other answers", "Display other answers in the result list" and "Show results", it can lead to Stored Cross-Site Scripting issues as the 'Other' answer is not sanitised before being output in the page. The execution of the XSS payload depends on the 'Show results' option selected, which could be before or after sending the vote for example.. EPSS estimates a 1.60% chance of exploitation in the next 30 days.

Description

In the YOP Poll WordPress plugin before 6.2.8, when a pool is created with the options "Allow other answers", "Display other answers in the result list" and "Show results", it can lead to Stored Cross-Site Scripting issues as the 'Other' answer is not sanitised before being output in the page. The execution of the XSS payload depends on the 'Show results' option selected, which could be before or after sending the vote for example.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.60%

72.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Yop-Poll	Yop Poll	< 6.2.8

References

https://wpscan.com/vulnerability/48ade7a5-5abb-4267-b9b6-13e31e1b3e91Exploit, Third Party Advisory
https://www.in-spired.xyz/discovering-wordpress-plugin-yop-polls-v6-2-7-stored-xss/Exploit, Third Party Advisory
https://wpscan.com/vulnerability/48ade7a5-5abb-4267-b9b6-13e31e1b3e91Exploit, Third Party Advisory
https://www.in-spired.xyz/discovering-wordpress-plugin-yop-polls-v6-2-7-stored-xss/Exploit, Third Party Advisory

Timeline

Published: Jul 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24454?

How severe is CVE-2021-24454?

CVE-2021-24454 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.60% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24454?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24454?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST