What’s Vulnerable › Vulnerabilities

CVE-2023-28458

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-04-20 · updated 2026-06-17
• Weakness: CWE-22

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.

Affected products

• pretalx: through 2.3.1

References

• https://github.com/pretalx/pretalx/commit/60722c43cf975f319e94102e6bff320723776890
• https://github.com/pretalx/pretalx/releases/tag/v2.3.2
• https://pretalx.com/p/news/security-release-232/
• https://www.sonarsource.com/blog/pretalx-vulnerabilities-how-to-get-accepted-at-every-conference/
• https://github.com/pretalx/pretalx/commit/60722c43cf975f319e94102e6bff320723776890
• https://github.com/pretalx/pretalx/releases/tag/v2.3.2
• https://pretalx.com/p/news/security-release-232/
• https://www.sonarsource.com/blog/pretalx-vulnerabilities-how-to-get-accepted-at-every-conference/

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