Inside a Malicious, Stealthy WordPress Must Use Plugin
Wordfence analyzed WordPress malware installed as a must-use plugin that self-heals to survive removal.
Wordfence's Threat Intelligence Team described malware found during a site cleanup in mid-June 2026. The sample was installed as a WordPress must-use plugin and included several self-healing mechanisms intended to survive removal. The write-up focuses on how the stealthy plugin persisted on the compromised site.
- Wordfence found the sample during a mid-June site cleanup.
- Malware was installed as a WordPress must-use plugin.
- Self-healing mechanisms were built to survive removal attempts.
The Wordfence Threat Intelligence Team identified an interesting malware sample in mid June during a site clean. TThe malware was installed as a must-use plugin with several self-healing mechanisms in place in order to survive removal The post Inside a Malicious, Stealthy WordPress Must Use Plugin appeared first on Wordfence.
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