WordPress Passster Plugin <= 4.2.19 is vulnerable to a medium priority Sensitive Data Exposure
Medium priority Mitigate immediately
<= 4.2.19Vulnerable version(s)
4.2.20Fixed version
12 Nov, 2025
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Get startedRisks
CVSS 7.5This vulnerability is moderately dangerous and expected to become exploited.
7.5
Sensitive Data Exposure
This could allow a malicious actor to view sensitive information that is normally not available to regular users. This can be used to exploit other weaknesses in the system.
CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.
Solutions
We advise to mitigate or resolve the vulnerability immediately.
Update to version 4.2.20 or later.
Update to version 4.2.20 or later to remove the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.
Details
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Timeline
12 Nov, 2025