SHIRASAGI · Cross-site Scripting Vulnerability Exists
Source GCVE Database
Not known to be exploited · CVSS 5.4 Medium.
Data as of 5 Nov 2026, 10:30 UTC
Thin evidence
One scorer or none| CNA (jpcert) | CVSS 3.0 | 5.4 |
|---|---|---|
| CNA (jpcert) | CVSS 4.0 | 5.1 |
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 5 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SHIRASAGI ProjectSHIRASAGI | Affected
| Fixed in– |
RubyGemsshirasagipkg:gem/shirasagiOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Since the vulnerability requires authentication and user interaction, limiting user privileges and educating users about suspicious content may reduce risk. Monitor vendor advisories for official fixes or updates.
Description
A cross-site scripting (XSS) vulnerability in SHIRASAGI allows an authenticated attacker to execute arbitrary scripts in a user's browser when the user visits a site using the affected product. This vulnerability requires user interaction and authentication. The flaw impacts confidentiality and integrity but does not affect availability.