Bug 2418313 (CVE-2025-65858)

Summary: CVE-2025-65858 Calibre-Web: Calibre: Calibre-Web: Stored Cross-Site Scripting (XSS) vulnerability in username field
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Calibre-Web. This vulnerability allows for client-side script execution via a Stored Cross-Site Scripting (XSS) vulnerability in the 'username' field during user creation.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2421314, 2421313    
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Description OSIDB Bzimport 2025-12-02 14:01:19 UTC
A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript into the 'username' field during user creation. The payload is stored unsanitized and later executed when the /ajax/listusers endpoint is accessed.