Stored HTML Markup Injection in Changedetection.io Notifications
CVE-2026-92814

2.3LOW

Key Information:

Vendor

Dgtlmoon

Status
Changedetection.io
Vendor
CVE Published:
16 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-92814?

The Changedetection.io product, up to version 0.60.6, contains a vulnerability where it fails to properly escape scraped page titles in HTML notifications. This oversight can be exploited by attackers to inject malicious markup into monitored page titles. When the watch_title token is used in notification templates, this malicious content can be transmitted to users via email or Telegram, potentially leading to security breaches and unauthorized access to sensitive data.

Affected Version(s)

changedetection.io 0 <= 0.60.6

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-2026-92814 - Proof of Concept

References

https://github.com/geo-chen/oss/blob/main/changedetection...
technical-descriptionexploit
https://github.com/dgtlmoon/changedetection.io/blob/0.60....
technical-description
https://github.com/dgtlmoon/changedetection.io
product

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

George Chen
.