This vulnerability is highly dangerous and expected to become exploited. Vulnerabilities like this one are used in mass-exploit campaigns. Attackers use these to attack thousands of websites at a time, regardless of traffic size or popularity. Learn more.
As immediate action, update the affected plugin. If you're unable to do so, ask your hosting provider or web developer for help.
This mitigation rule blocks the operator's inbound access to the backdoor, it does not remove it. If affected, full remediation is required. Note that not all 6.2.7 installs are affected: only packages pulled during the ~5-hour window in which the trojanized build was served through the official update channel.
A backdoor is a malicious file which could allow a malicious actor to gain access and exploit your website at any time they desire. One example would be to execute a payload to inject advertisements on your website.
CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.
We advise to mitigate or resolve the vulnerability immediately.
Patchstack has issued a mitigation rule to block any attacks until you have updated to a patched version.
Update to version 6.2.8 or later to resolve the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.
Published by Patchstack
12 Aug, 2026