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CVE-2021-24136

20
FAUCET Score

CVE-2021-24136 is a Cross-Site Scripting (XSS) vulnerability affecting the Testimonials Widget WordPress plugin versions prior to 4.0.0, stemming from unvalidated input and a lack of output encoding in several user-supplied fields. This medium-severity vulnerability (CVSS 5.4) allows authenticated attackers to inject arbitrary JavaScript or HTML, potentially leading to information disclosure or defacement. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.0.0CPE matchmatch criteria
cpe:2.3:a:axelerant:testimonials_widget:*:*:*:*:*: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
0.82%
Probability of exploitation in next 30 days
EPSS Percentile
53.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0082 is in the 88th percentile among its peer group of 15,224 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

wpscan.com / vulnerability/537ee410-3833-4e88-9d4a-ee3c72b44ca1
ExploitThird Party Advisory