CVE-2022-2440: The Theme Editor plugin for WordPress is vulnerable to deserialization of untrusted input via the 'images_array' parameter in versions up to, and including 2.8. This makes it possible for authenticate

high Affects theme-editor (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published 2024-08-29; advisory modified 2026-06-17.

The Theme Editor plugin for WordPress is vulnerable to deserialization of untrusted input via the 'images_array' parameter in versions up to, and including 2.8. This makes it possible for authenticate

Package: theme-editor (WordPress plugin) WordPress
Affected versions: <2.9
Fixed in: 2.9
Severity: high CVSS 7.2
Exploitation: not on CISA KEV · EPSS 1% (54.5th percentile)
Published: 2024-08-29
Source: nvd

References

CWE-502

NVD record theme-editor (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-2021-24154 medium The Theme Editor WordPress plugin before 2.6 did not validate the GET file parameter befor same package: theme-editor (WordPress plugin)
CVE-2025-49113 KEV critical Roundcube Webmail Vulnerable to Authenticated RCE via PHP Object Deserialization same weakness: CWE-502
CVE-2019-6340 KEV high Some field types do not properly sanitize data from non-form sources. This can lead to arb same weakness: CWE-502
CVE-2018-15133 KEV high Laravel Framework RCE Vulnerability same weakness: CWE-502
CVE-2020-15148 high Unsafe deserialization in Yii 2 same weakness: CWE-502
CVE-2024-5932 critical The GiveWP – Donation Plugin and Fundraising Platform plugin for WordPress is vulnerable t same weakness: CWE-502