CVE-2025-12021
MediumCVSS 6.1Exploitation Probability (EPSS)
Low risk23th percentile - higher than 23% of all known CVEs
Summary
The WP-OAuth plugin for WordPress up to version 0.4.1 is vulnerable to Reflected Cross-Site Scripting via the 'error_description' parameter due to insufficient input sanitization and output escaping. Unauthenticated attackers can inject arbitrary web scripts that execute if they can trick a user into clicking a link.
Risk Assessment
The risk is the possibility of executing malicious scripts in the victim's browser, which could lead to session theft, account takeover, or other harm.
Recommendation
It is recommended to update the plugin to the latest version that includes fixes and to educate users about not clicking on suspicious links.
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Original NVD description (English source)
The WP-OAuth plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'error_description' parameter in all versions up to, and including, 0.4.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

