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Description

userSpice 4.3.24 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the X-Forwarded-For HTTP header. Attackers can send crafted requests to the backup.php endpoint with XSS payloads in the X-Forwarded-For header that execute when administrators visit the audit log page.

PUBLISHED Reserved 2026-05-23 | Published 2026-05-23 | Updated 2026-05-27 | Assigner VulnCheck




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
MEDIUM: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

4.3.24
affected

Credits

Dolev Farhi finder

References

www.exploit-db.com/exploits/44871 (ExploitDB-44871) exploit

www.vulncheck.com/...te-scripting-via-x-forwarded-for-header (VulnCheck Advisory: userSpice 4.3.24 Cross-Site Scripting via X-Forwarded-For Header) third-party-advisory

cve.org (CVE-2018-25349)

nvd.nist.gov (CVE-2018-25349)

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