Cross-Site Scripting Vulnerability in Diem-Project's Diem Product
CVE-2026-112042

5.1MEDIUM

Key Information:

Vendor

Diem-project

Status
Diem
Vendor
CVE Published:
19 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-112042?

A security flaw has been identified in the Diem product of the Diem-Project that allows attackers to exploit the function dmBaseLinkTag::text in the file dmCorePlugin/lib/view/html/link/dmBaseLinkTag.php. By manipulating the text argument, a remote attacker could execute cross-site scripting attacks. This vulnerability poses a significant risk since it has been publicly disclosed, increasing the likelihood of exploitation. Despite being alerted to the issue through an early report, the project maintainers have yet to respond or release mitigations.

Affected Version(s)

diem 116974edfb9a5b8bd69cb13586dc62bcdbb485ad

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-2026-112042 - Proof of Concept

References

https://vuldb.com/vuln/421690
vdb-entrytechnical-description
https://vuldb.com/vuln/421690/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-112042
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

cnluminous (VulDB User)
VulDB CNA Team
.