Cross Site Scripting Flaw in FlyCMS Admin Login by Sunkaifei
CVE-2025-15093

5.3MEDIUM

Key Information:

Vendor

Sunkaifei

Status
Flycms
Vendor
CVE Published:
26 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15093?

A security flaw in the FlyCMS platform, particularly within the Admin Login component, has been identified. This vulnerability allows an attacker to manipulate the 'redirectUrl' argument, leading to potential cross site scripting (XSS) attacks. The flaw is found in the 'IndexAdminController.java' file and can be exploited remotely. As FlyCMS utilizes continuous delivery with rolling releases, specific details regarding affected or updated versions are unavailable. Despite earlier disclosures, the vendor has not provided any response.

Affected Version(s)

FlyCMS abbaa5a8daefb146ad4d61027035026b052cb414

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-2025-15093 - Proof of Concept

References

https://vuldb.com/?id.338422
vdb-entrytechnical-description
https://vuldb.com/?ctiid.338422
signaturepermissions-required
https://vuldb.com/?submit.708996
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

ZAST.AI (VulDB User)
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CVE-2025-15093 : Cross Site Scripting Flaw in FlyCMS Admin Login by Sunkaifei