Cross-Site Scripting Vulnerability in PHPEMS by Unknown Vendor
CVE-2026-3946

5.1MEDIUM

Key Information:

Vendor

Unknown Vendor

Status
PHPms
Vendor
CVE Published:
11 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3946?

A cross-site scripting vulnerability exists in PHPEMS 11.0 that allows remote attackers to manipulate the 'askcontent' parameter in the /index.php?ask=app-ask file. This manipulation can lead to XSS attacks, where malicious scripts are injected into web pages viewed by other users. The exploit is publicly available, highlighting the urgent need for users of this application to implement suitable mitigations to safeguard their environments.

Affected Version(s)

PHPEMS 11.0

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-2026-3946 - Proof of Concept

References

https://vuldb.com/?id.350368
vdb-entrytechnical-description
https://vuldb.com/?ctiid.350368
signaturepermissions-required
https://vuldb.com/?submit.773039
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
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

shufenshui (VulDB User)
.