CVE-2023-26255

Name: CVE-2023-26255
Creator: NVD / NIST
Published: 2023-02-28T16:15:09.447+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 47.91%

Last modified Jun 17, 2026

CVE-2023-26255 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An unauthenticated path traversal vulnerability affects the "STAGIL Navigation for Jira - Menu & Themes" plugin before 2.0.52 for Jira. By modifying the fileName parameter to the snjCustomDesignConfig endpoint, it is possible to traverse and read the file system.. EPSS estimates a 47.91% chance of exploitation in the next 30 days.

Description

An unauthenticated path traversal vulnerability affects the "STAGIL Navigation for Jira - Menu & Themes" plugin before 2.0.52 for Jira. By modifying the fileName parameter to the snjCustomDesignConfig endpoint, it is possible to traverse and read the file system.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

47.91%

98.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Stagil	Stagil Navigation	< 2.0.52

References

https://github.com/1nters3ct/CVEs/blob/main/CVE-2023-26255.mdExploit, Third Party Advisory
https://marketplace.atlassian.com/apps/1216090/stagil-navigation-for-jira-menus-themes?tab=overview&hosting=cloudProduct
https://github.com/1nters3ct/CVEs/blob/main/CVE-2023-26255.mdExploit, Third Party Advisory
https://marketplace.atlassian.com/apps/1216090/stagil-navigation-for-jira-menus-themes?tab=overview&hosting=cloudProduct

Timeline

Published: Feb 28, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26255?

How severe is CVE-2023-26255?

CVE-2023-26255 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 47.91% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26255?

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-2023-26255?

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

Scan your code now

Source: NVD / NIST