Cross-Site Scripting Vulnerability in userSpice Product by userSpice
CVE-2018-25349

5.1MEDIUM

Key Information:

Vendor

Userspice

Status
Userspice
Vendor
CVE Published:
23 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-25349?

userSpice 4.3.24 is vulnerable to cross-site scripting (XSS), allowing attackers to inject malicious scripts via the X-Forwarded-For HTTP header. By sending specially crafted requests to the backup.php endpoint, these scripts can execute when administrators view the audit log page, potentially leading to unauthorized access or manipulation of sensitive data.

Affected Version(s)

userSpice 4.3.24

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-25349 - Proof of Concept

References

https://www.exploit-db.com/exploits/44871
exploit
https://www.vulncheck.com/advisories/userspice-cross-site...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dolev Farhi
.