CVE-2023-26777

Name: CVE-2023-26777
Creator: NVD / NIST
Published: 2023-04-04T15:15:09.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2023-26777 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Cross Site Scripting vulnerability found in : louislam Uptime Kuma v.1.19.6 and before allows a remote attacker to execute arbitrary commands via the description, title, footer, and incident creation parameter of the status_page.js endpoint.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

Cross Site Scripting vulnerability found in : louislam Uptime Kuma v.1.19.6 and before allows a remote attacker to execute arbitrary commands via the description, title, footer, and incident creation parameter of the status_page.js endpoint.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.68%

47.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Uptime Kuma Project	Uptime Kuma	<= 1.19.6

References

http://packetstormsecurity.com/files/171699/Uptime-Kuma-1.19.6-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
https://github.com/louislam/uptime-kuma/issues/2186Issue Tracking
http://packetstormsecurity.com/files/171699/Uptime-Kuma-1.19.6-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
https://github.com/louislam/uptime-kuma/issues/2186Issue Tracking

Timeline

Published: Apr 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26777?

How severe is CVE-2023-26777?

CVE-2023-26777 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26777?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26777?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST