SQL Injection Vulnerability in Exponent CMS Affecting XML-RPC Functionality
CVE-2026-108900

6.9MEDIUM

Key Information:

Vendor

Exponent

Status
Cms
Vendor
CVE Published:
12 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-108900?

A serious SQL injection vulnerability exists in Exponent CMS versions up to 3.0.2patch2, specifically within the userLogin function found in the xmlrpc.php file of the XML-RPC component. This flaw enables attackers to manipulate SQL queries, potentially compromising the database remotely. The vulnerability has been publicly disclosed, yet the vendor did not respond to prior notifications about the issue. Organizations using affected versions of Exponent CMS are urged to assess their exposure and take necessary security measures to mitigate potential threats.

Affected Version(s)

CMS 3.0.2patch1

CMS 3.0.2patch2

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-2026-108900 - Proof of Concept

References

https://vuldb.com/vuln/416691
vdb-entrytechnical-description
https://vuldb.com/vuln/416691/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108900
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

dwmm (VulDB User)
VulDB CNA Team
.