JSON Web Token Handler Vulnerability in Saltbo Zpan by Saltbo
CVE-2025-7453

6.3MEDIUM

Key Information:

Vendor

Saltbo

Status
Zpan
Vendor
CVE Published:
11 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7453?

A vulnerability has been identified in Saltbo Zpan versions 1.6.5 and 1.7.0-beta2, specifically within the JSON Web Token Handler implemented in the 'token.go' file. This vulnerability allows for the manipulation of input values which may lead to the inadvertent use of hard-coded passwords. Attackers can initiate this issue remotely, making it a noteworthy concern for users of the affected versions. Although the complexity of executing this exploit is high, it has been publicly disclosed, increasing the risk of potential exploitation.

Affected Version(s)

zpan 1.6.0

zpan 1.6.1

zpan 1.6.2

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-2025-7453 - Proof of Concept

References

https://vuldb.com/?id.316097
vdb-entrytechnical-description
https://vuldb.com/?ctiid.316097
signaturepermissions-required
https://vuldb.com/?submit.608447
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

jiashenghe (VulDB User)
.
CVE-2025-7453 : JSON Web Token Handler Vulnerability in Saltbo Zpan by Saltbo