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CVE-2023-28459

34
FAUCET Score

CVE-2023-28459 is a path traversal vulnerability in pretalx versions prior to 2.3.2, specifically affecting the non-default HTML export feature. This medium-severity flaw (CVSS 6.5) allows authenticated attackers to upload crafted HTML documents, leading to the reading of arbitrary files on the server. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.3.1CPE matchmatch criteria
cpe:2.3:a:pretalx:pretalx:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
6.65%
Probability of exploitation in next 30 days
EPSS Percentile
93.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Metasploit: Pretalx Arbitrary File Read/Limited File Write · Mar 7, 2023
This CVE's current EPSS score of 0.0665 is in the 98th percentile among its peer group of 21,951 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: pretalxFixed in: 2.3.2

Vendor Advisories (1)

pipGHSA-wh3w-jcc7-mhmfhigh

pretalx vulnerable to path traversal in HTML export

Apr 20, 2023

References

github.com / pretalx/pretalx/commit/60722c43cf975f319e94102e6bff320723776890
Patch
github.com / pretalx/pretalx/releases/tag/v2.3.2
Release Notes
pretalx.com / p/news/security-release-232
Vendor Advisory
sonarsource.com / blog/pretalx-vulnerabilities-how-to-get-accepted-at-every-conference
ExploitPatchThird Party Advisory