pretalx 2.3.1 before 2.3.2 allows path traversal in HTML export (a non-default feature).
Priority MEDIUM 53CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03429 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed pretalx (PyPI): 2.3.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | pretalx (PyPI) | 2.3.1 to before 2.3.2 | 2.3.2 | Patch available | GHSA-23fx-92m6-4f2g |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- pretalx (PyPI) Vendor— Affected 2.3.1 to before 2.3.2 Fixed in 2.3.2 Patch available GHSA-23fx-92m6-4f2g
Remediation
- Fix · GHSA-23fx-92m6-4f2g pretalx (PyPI) Fixed in 2.3.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-28458
- 2026-10-03 Alias added: GHSA-23fx-92m6-4f2g
References
Exploit 1
Advisory 2
Other 5
- https://github.com/pretalx/pretalx/releases/tag/v2.3.2
- https://github.com/pretalx/pretalx
- https://github.com/pypa/advisory-database/tree/main/vulns/pretalx/PYSEC-2023-40.yaml
- https://pretalx.com/p/news/security-release-232
- https://www.sonarsource.com/blog/pretalx-vulnerabilities-how-to-get-accepted-at-every-conference
More Pretalx vulnerabilities
- TI-2023-13000 pretalx 2.3.1 before 2.3.2 allows path traversal in HTML export (a non-default feature). CVSS 3.1MEDIUM 6.5
- TI-2026-29850 pretalx: Stored cross-site scripting in organiser search typeahead CVSS 3.1HIGH 8.7
- TI-2026-30025 pretalx: Email injection via unescaped user-controlled placeholders in pretalx mail templates CVSS 3.1MEDIUM 6.1
Sources
- CVE-2023-28458 · CVE Program
- CVE-2023-28458 · NVD
- FIRST EPSS
- GHSA-23fx-92m6-4f2g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences