phpwarden
FeaturesComparePricingAdvisoriesBlogDocsChangelogLog in
Log inStart free

CVE-2021-24136: Unvalidated input and lack of output encoding in the Testimonials Widget WordPress plugin, versions before 4.0.0, lead to multiple Cross-Site Scripting vulnerabilities, allowing remote attackers to in

medium Affects testimonials-widget (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Unvalidated input and lack of output encoding in the Testimonials Widget WordPress plugin, versions before 4.0.0, lead to multiple Cross-Site Scripting vulnerabilities, allowing remote attackers to in

Package
testimonials-widget (WordPress plugin) WordPress
Affected versions
<4.0.0
Fixed in
4.0.0
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (57.2th percentile)
Published
2021-03-18
Source
nvd

References

CWE-79
NVD recordtestimonials-widget (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories