CVE-2025-13971
MediumCVSS 4.4Exploitation Probability (EPSS)
Low risk13th percentile - higher than 13% of all known CVEs
Summary
The TWW Protein Calculator plugin for WordPress in versions up to and including 1.0.24 is vulnerable to Stored Cross-Site Scripting via the 'Header' setting due to insufficient input sanitization and output escaping. This allows authenticated attackers with administrator-level access to inject arbitrary web scripts that execute when a user visits the injected page. This only affects multi-site installations and installations where `unfiltered_html` has been disabled.
Risk Assessment
A site administrator may inadvertently execute a malicious script, potentially leading to session hijacking or further privilege escalation. The risk is limited to multi-site installations and those with `unfiltered_html` disabled.
Recommendation
Update the TWW Protein Calculator plugin to a version newer than 1.0.24 as soon as it becomes available, and consider enabling `unfiltered_html` for administrators if possible.
Related vulnerabilities
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Original NVD description (English source)
The TWW Protein Calculator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Header' setting in all versions up to, and including, 1.0.24 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS