Vulnerability · Published Oct 25, 2021 · Assigned by Mend
CVE-2021-25977Piranha CMS - Stored XSS in Page Title
Medium 5.4
In plain English
A medium-severity cross-site scripting in Piranha from PiranhaCMS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.7%top 48.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | piranha | 9.2.0 | GHSA-jvjp-vh27-r9h5 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PiranhaCMS | Piranha | 7.0.0 – before unspecifiedunspecified – through 9.1.1 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N