CVE-2021-24641: The Images to WebP WordPress plugin before 1.9 does not have CSRF checks in place when performing some administrative actions, which could result in modification of plugin settings, Denial-of-Service,

high Affects images-to-webp (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Images to WebP WordPress plugin before 1.9 does not have CSRF checks in place when performing some administrative actions, which could result in modification of plugin settings, Denial-of-Service,

Package
images-to-webp (WordPress plugin) WordPress
Affected versions
<1.9
Fixed in
1.9
Severity
high  CVSS 8.1
Exploitation
not on CISA KEV · EPSS 1% (45.1th percentile)
Published
2021-11-23
Source
nvd

References

CWE-352
NVD recordimages-to-webp (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