CVE-2024-8665: The YITH Custom Login plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including,

medium Affects yith-custom-login (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The YITH Custom Login plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including,

Package
yith-custom-login (WordPress plugin) WordPress
Affected versions
<1.7.4
Fixed in
1.7.4
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 0% (42.3th percentile)
Published
2024-09-13
Source
nvd

References

CWE-79
NVD recordyith-custom-login (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.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# 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.

Install docs   How findings are ranked

Related advisories