CVE-2023-49276

Attribute Injection leading to XSS(Cross-Site-Scripting) in uptime-kuma

MEDIUM
6.1
CVSS Score
Published: December 1, 2023 at 10:05 PM UTC
Updated: June 17, 2026 at 06:35 AM UTC
2 products affected across 2 vendorsUptime.kumaKuma Uptime Kuma

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.5%

Description

Uptime Kuma is an open source self-hosted monitoring tool. In affected versions the Google Analytics element in vulnerable to Attribute Injection leading to Cross-Site-Scripting (XSS). Since the custom status interface can set an independent Google Analytics ID and the template has not been sanitized, there is an attribute injection vulnerability here, which can lead to XSS attacks. This vulnerability has been addressed in commit `f28dccf4e` which is included in release version 1.23.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

1.20.0 ≤ v < 1.23.7
Affected range stops below 1.23.7, so it looks safe — our inference, not a vendor statement
v < 1.23.7
Affected range stops below 1.23.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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