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CVE-2021-25977: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

October 25, 2021 (updated October 26, 2021)

In PiranhaCMS to 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.

References

  • nvd.nist.gov/vuln/detail/CVE-2021-25977

Code Behaviors & Features

Detect and mitigate CVE-2021-25977 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions starting from 7.0.0 up to 9.1.1

Fixed versions

  • 9.2.0

Solution

Upgrade to version 9.2.0 or above.

Impact 5.4 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

nuget/Piranha/CVE-2021-25977.yml

Spotted a mistake? Edit the file on GitLab.

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