Cross-Site Scripting Vulnerability in a466350665 Smart-SSO Login Component
CVE-2026-2971

5.3MEDIUM

Key Information:

Vendor

A466350665

Status
Smart-sso
Vendor
CVE Published:
23 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2971?

A cross-site scripting vulnerability exists in the Smart-SSO product from a466350665, specifically within the login.html template. The flaw allows for manipulation of the redirectUri parameter, which can enable remote attackers to execute arbitrary JavaScript in the context of a user's session. This security issue has been disclosed publicly, and although the vendor was notified, no response has been reported. Users are urged to assess their exposure and implement necessary mitigations.

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Affected Version(s)

Smart-SSO 2.1.0

Smart-SSO 2.1.1

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-2026-2971 - Proof of Concept

References

https://vuldb.com/?id.347338
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347338
signaturepermissions-required
https://vuldb.com/?submit.756025
third-party-advisory

CVSS V4

Score:
5.3
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

din4 (VulDB User)
JSON
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