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ExploitedNot in CISA KEV yetFix available

CVE-2023-26255

Exploitation confirmed. First attested on 2023-10-15 by GCVE · kevintel, GCVE · shadowserver.

  • Published2023-02-28
  • Fixed in2.0.52
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2023-02-2816:15CVE publishedNVD
  2. 2023-10-1508:28Listed as exploited by GCVEGCVE
  3. 2023-10-1508:28Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-26255?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-26255?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Stagil stagil navigation
BranchAffectedFixed in
2.0< 2.0.522.0.52

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Stagil stagil navigation to 2.0.52

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedNian-Stars/CVE-2023-26255-6
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2023-02-28
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-5gh3-4wwv-vgpw

Frequently asked questions

What is CVE-2023-26255?

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.

Is CVE-2023-26255 actively exploited?

A proof-of-concept exploit exists for CVE-2023-26255, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-26255?

CVE-2023-26255 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record