CVE-2025-65858

LOW
Published Dec 2, 2025 Modified Dec 23, 2025 CWE-79

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.

CVSS v3.1 Score

3.5
LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor Product
janeczku calibre-web

References

Frequently Asked Questions

What is CVE-2025-65858? +
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. It has a CVSS v3.1 base score of 3.5 (LOW).
How severe is CVE-2025-65858? +
CVE-2025-65858 has a CVSS v3.1 score of 3.5 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.
What products are affected by CVE-2025-65858? +
CVE-2025-65858 affects products from janeczku, specifically: calibre-web. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-65858? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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