CVE-2021-24765: The Perfect Survey WordPress plugin through 1.5.2 does not validate and escape the X-Forwarded-For header value before outputting it in the statistic page when the Anonymize IP setting of a survey is

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

The Perfect Survey WordPress plugin through 1.5.2 does not validate and escape the X-Forwarded-For header value before outputting it in the statistic page when the Anonymize IP setting of a survey is

Package
perfect-survey (WordPress plugin) WordPress
Affected versions
<1.5.2
Fixed in
1.5.2
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 1% (72.5th percentile)
Published
2022-02-01
Source
nvd

References

CWE-79
NVD recordperfect-survey (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