What’s Vulnerable › Vulnerabilities

CVE-2018-25349: userSpice 4.3.24 Cross-Site Scripting via X-Forwarded-For Header

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-23 · updated 2026-10-06
• Weakness: CWE-79

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.

Affected products

• userSpice: 4.3.24

References

• https://www.exploit-db.com/exploits/44871
• https://www.vulncheck.com/advisories/userspice-cross-site-scripting-via-x-forwarded-for-header

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