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CVE-2023-26255

61
FAUCET Score

CVE-2023-26255 is an unauthenticated path traversal vulnerability in the "STAGIL Navigation for Jira - Menu & Themes" plugin, affecting versions prior to 2.0.52. An attacker can exploit this by manipulating the fileName parameter to the snjCustomDesignConfig endpoint, allowing them to read arbitrary files from the file system. This vulnerability has a high CVSS score of 7.5, indicating a severe risk with no authentication or user interaction required for exploitation, leading to potential compromise of sensitive data. While not yet in the KEV catalog, its high EPSS score and FAUCET Risk Score of 99/100 suggest a significant likelihood of exploitation, with public Nuclei templates available and notable community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.52CPE matchmatch criteria
cpe:2.3:a:stagil:stagil_navigation:*:*:*:*:*:jira:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
47.20%
Probability of exploitation in next 30 days
EPSS Percentile
98.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2023-26255 · Mar 16, 2023
This CVE's current EPSS score of 0.4720 is in the 98th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / 1nters3ct/CVEs/blob/main/CVE-2023-26255.md
ExploitThird Party Advisory
marketplace.atlassian.com / apps/1216090/stagil-navigation-for-jira-menus-themes
Product