CVE-2025-54336
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Description
In Plesk Obsidian 18.0.70, _isAdminPasswordValid uses an == comparison. Thus, if the correct password is "0e" followed by any digit string, then an attacker can login with any other string that evaluates to 0.0 (such as the 0e0 string). This occurs in admin/plib/LoginManager.php.
Available Exploits
Related News
EU Vulnerability Database
Monitored by ENISA for EU cybersecurity
ENISA Analysis
In Plesk Obsidian 18.0.70, _isAdminPasswordValid uses an == comparison. Thus, if the correct password is "0e" followed by any digit string, then an attacker can login with any other string that evaluates to 0.0 (such as the 0e0 string). This occurs in admin/plib/LoginManager.php.
Affected Products (ENISA)
ENISA Scoring
CVSS Score (3.1)
EPSS Score
ENISA References
Data provided by ENISA EU Vulnerability Database. Last updated: August 19, 2025
GitHub Security Advisories
Community-driven vulnerability intelligence from GitHub
Advisory Details
CVSS Scoring
CVSS Score
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
Advisory provided by GitHub Security Advisory Database. Published: August 19, 2025, Modified: August 19, 2025
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🔥 Top 10 Trending CVEs (22/08/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-54336](https://nvd.nist.gov/vuln/detail/CVE-2025-54336)** - 📝 In Plesk Obsidian 18.0.70, _isAdminPasswordValid uses an == comparison. Thus, if the correct password is 0e followed by any digit string, then an attacker can login with any …