Cross-Site Scripting Vulnerability in michaelliao itranswarp Product
CVE-2026-90835

5.1MEDIUM

Key Information:

Vendor

Michaelliao

Status
Itranswarp
Vendor
CVE Published:
14 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90835?

A vulnerability has been identified in the michaelliao itranswarp, impacting versions up to 2.19, specifically within the Markdown.toHtml function in the Markdown.java file of the Page Content Rendering component. This flaw allows attackers to initiate cross-site scripting (XSS) attacks remotely. Despite awareness of the issue through prior reporting, the project maintainers have neither issued a response nor provided any patches. It is crucial for users of unsupported versions to take immediate action to mitigate potential risks associated with this exploit.

Affected Version(s)

itranswarp 2.0

itranswarp 2.1

itranswarp 2.2

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-2026-90835 - Proof of Concept

References

https://vuldb.com/vuln/403334
vdb-entrytechnical-description
https://vuldb.com/vuln/403334/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90835
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

mjh_123 (VulDB User)
VulDB CNA Team
.