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CVE-2021-24672: The One User Avatar WordPress plugin before 2.3.7 does not escape the link and target attributes of its shortcode, allowing users with a role as low as Contributor to perform Stored Cross-Site Scripti

medium Affects one-user-avatar (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The One User Avatar WordPress plugin before 2.3.7 does not escape the link and target attributes of its shortcode, allowing users with a role as low as Contributor to perform Stored Cross-Site Scripti

Package
one-user-avatar (WordPress plugin) WordPress
Affected versions
<2.3.7
Fixed in
2.3.7
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (51.0th percentile)
Published
2021-10-18
Source
nvd

References

CWE-79
NVD recordone-user-avatar (WordPress plugin) advisories

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# then
vendor/bin/phpwarden wordpress /var/www/html

# or, without Composer
pipx install phpwarden   &&   phpwarden wordpress /var/www/html

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

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