CVE-2025-65858 — LOW (3.5) — White Hats Nepal

Vulnerability 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 Score

3.5

LOW

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Janeczku	Calibre-Web	0.6.25

Related Weaknesses (CWE)

CWE-79

References

https://github.com/KhanhDuy155/calibre-web-CVE-2025-65858/blob/main/CVE-2025-658ExploitThird Party Advisory

FAQ

What is CVE-2025-65858?

CVE-2025-65858 is a vulnerability with a CVSS score of 3.5 (LOW). 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 unsanitiz...

How severe is CVE-2025-65858?

CVE-2025-65858 has been rated LOW with a CVSS base score of 3.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-65858?

Check the references section above for vendor advisories and patch information. Affected products include: Janeczku Calibre-Web.