Is CVE-2023-25811 in the CISA KEV catalog?

No. CVE-2023-25811 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-25811?

CVE-2023-25811 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2023-25811?

CVE-2023-25811 has an EPSS score of 0.47% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-25811?

Upgrade uptime-kuma to 1.20.0 or later.

CVE & CISA-KEV Catalog

CVE-2023-25811

MEDIUM

6.3

CVSS v3

NVD

Description

Uptime Kuma is a self-hosted monitoring tool. In versions prior to 1.20.0 the Uptime Kuma `name` parameter allows a persistent XSS attack. 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:< 1.20.0Fixed in:1.20.0CVE-2023-25811derived 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

0.47%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

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.