CVE-2021-24638: The OMGF WordPress plugin before 4.5.4 does not escape or validate the handle parameter of the REST API, which allows unauthenticated users to perform path traversal and overwrite arbitrary CSS file w

critical Affects omgf (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published 2021-09-20; advisory modified 2026-06-17.

The OMGF WordPress plugin before 4.5.4 does not escape or validate the handle parameter of the REST API, which allows unauthenticated users to perform path traversal and overwrite arbitrary CSS file w

Package: omgf (WordPress plugin) WordPress
Affected versions: <4.5.4
Fixed in: 4.5.4
Severity: critical CVSS 9.1
Exploitation: not on CISA KEV · EPSS 2% (78.7th percentile)
Published: 2021-09-20
Source: nvd

References

CWE-22

NVD record omgf (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

CVE-2021-24639 high The OMGF WordPress plugin before 4.5.4 does not enforce path validation, authorisation and same package: omgf (WordPress plugin)
CVE-2020-11738 KEV high The Snap Creek Duplicator plugin before 1.3.28 for WordPress (and Duplicator Pro before 3. same weakness: CWE-22
CVE-2020-36193 KEV high Directory Traversal in Archive_Tar same weakness: CWE-22
CVE-2024-9047 critical The WordPress File Upload plugin for WordPress is vulnerable to Path Traversal in all vers same weakness: CWE-22
CVE-2019-8943 medium WordPress through 5.0.3 allows Path Traversal in wp_crop_image(). An attacker (who has pri same weakness: CWE-22
CVE-2023-2745 medium WordPress Core is vulnerable to Directory Traversal in versions up to, and including, 6.2, same weakness: CWE-22