CVE-2016-10990: The wp-cerber plugin before 2.7 for WordPress has XSS via the X-Forwarded-For HTTP header.

medium Affects wp-cerber (WordPress plugin). Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

The wp-cerber plugin before 2.7 for WordPress has XSS via the X-Forwarded-For HTTP header.

Package
wp-cerber (WordPress plugin) WordPress
Affected versions
<2.7
Fixed in
2.7
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 1% (72.7th percentile)
Published
2019-09-17
Source
nvd

References

CWE-79
NVD recordwp-cerber (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.

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