XSS in Yop-Poll Yop Poll
CVE-2021-24454
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.016 (74.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Yop-Poll Yop Poll
- Yop Poll — versions 6.2.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/48ade7a5-5abb-4267-b9b6-13e31e1b3e91 (Exploit, Third Party Advisory)
- www.in-spired.xyz/discovering-wordpress-plugin-yop-polls-v6-2-7-stored-xss/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24454?
- CVE-2021-24454 is a medium-severity vulnerability in Yop-Poll Yop Poll, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-07-12.
- How severe is CVE-2021-24454?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-24454 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.