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CVE-2021-24833

20
FAUCET Score

CVE-2021-24833 is a stored Cross-Site Scripting (XSS) vulnerability affecting the YOP Poll WordPress plugin versions prior to 6.3.1. An authenticated user with author-level privileges can inject and execute arbitrary script code within the application's admin preview module due to insufficient input validation in the poll creation process. This vulnerability has a CVSS score of 5.4 (Medium), indicating a low attack complexity and the potential for limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.3.1CPE matchmatch criteria
cpe:2.3:a:yop-poll:yop_poll:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.09%
Probability of exploitation in next 30 days
EPSS Percentile
62.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0109 is in the 94th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / changeset/2605368
PatchThird Party Advisory
wpscan.com / vulnerability/7cb39087-fbab-463d-9592-003e3fca6d34
Third Party Advisory
fortiguard.com / zeroday/FG-VD-21-052
Third Party Advisory