CVE-2025-65858
Low
Description
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.
SeverityLow
CVSS3.5
Exploit probability—
ProductJaneczku Calibre-web
PublishedDec 2, 2025
First seenDec 2, 2025
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| janeczku calibre-web | 0.6.25 | — |
| calibrewebPyPI | v ≤ 0.6.25 | — |
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