Is CVE-2023-49276 in the CISA KEV catalog?

No. CVE-2023-49276 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-49276?

CVE-2023-49276 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2023-49276?

CVE-2023-49276 has an EPSS score of 0.50% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-49276?

Upgrade uptime kuma to 1.23.7 or later.

CVE & CISA-KEV Catalog

CVE-2023-49276

MEDIUM

6.3

CVSS v3

NVD

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.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

uptime kumaNVD

Affected:>= 1.20.0, < 1.23.7Fixed in:1.23.7CVE-2023-49276derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N

Exploit Intelligence

0.50%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.