Jira - Path Traversal (CVE-2023-26255)
76Exploiting IPs reported
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.
CrowdSec analysis
CVE-2023-26255 is a path traversal vulnerability affecting the "STAGIL Navigation for Jira - Menu & Themes" plugin. An attacker can exploit this weakness to read arbitrary files on the system by manipulating requests to a specific plugin endpoint.
CrowdSec has been tracking this vulnerability and its exploits since 7th of May 2025.
Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2023-26255 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. CrowdSec network telemetry also shows that exploitation of CVE-2023-26255 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.
Detected exploitation attempts typically target URLs containing /plugins/servlet/snjcustomdesignconfig.
Exploitation
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Common Weakness Enumeration (CWE)
Protection
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Blocklist
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