Cross-site Scripting in PiranhaCMS
In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Piranha | >= 7.0.0, < 9.2.0 | 9.2.0 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- .NET (NuGet)
- Package
Piranha- Disclosed
- 27.10.2021
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-jvjp-vh27-r9h5 - CC BY 4.0
Vulnerability history: Piranha
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 8
- First → latest
- 10.2021 12.2025
- Without a fix
- 6
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 5
- Low 2
Disclosures per year
- 2021: 2
- 2022: 0
- 2023: 0
- 2024: 2
- 2025: 4
- 2026: 0
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Cross-site Scripting in PiranhaCMS this entry
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