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CVE-2023-26256

40
FAUCET Score

CVE-2023-26256 is an unauthenticated path traversal vulnerability in the "STAGIL Navigation for Jira - Menu & Themes" plugin, affecting versions prior to 2.0.52. By manipulating the fileName parameter in the snjFooterNavigationConfig endpoint, attackers can read arbitrary files from the file system. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and high confidentiality impact, requiring no user interaction or privileges. While not listed in CISA's KEV catalog, its high EPSS score (0.92709) and FAUCET Risk Score (99/100) suggest a high likelihood of exploitation, further evidenced by the availability of Nuclei templates and media coverage highlighting its active targeting.

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
11.62%
Probability of exploitation in next 30 days
EPSS Percentile
95.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2023-26256 · Mar 10, 2023
This CVE's current EPSS score of 0.1162 is in the 93rd percentile among its peer group of 51,551 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-2023-26256.md
ExploitThird Party Advisory
marketplace.atlassian.com / apps/1216090/stagil-navigation-for-jira-menus-themes
Product