CVE-2023-28459 pretalx vulnerable to path traversal in HTML export
Attackers can read arbitrary files via crafted HTML uploads in the non-default HTML export feature of pretalx.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-28459?
CVE-2023-28459 is a medium-severity path traversal vulnerability in n/a, published on 20 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
pretalx 2.3.1 before 2.3.2 allows path traversal in HTML export (a non-default feature). Users were able to upload crafted HTML documents that trigger the reading of arbitrary files.
Weakness: CWE-22
Which versions are affected by CVE-2023-28459?
3 open source packages ship an affected version, including pretalx. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pretalx PyPI | All versions | 2.3.2 |
pretalx PyPI | All versions | 2.3.2 |
pretalx PyPI | From 2.3.1 | 2.3.2 |
Products include Pretalx Pretalx.
How do I fix CVE-2023-28459?
Upgrade pretalx to 2.3.2 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2023-28459 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-28459 exists.
Public exploit code: 1 Metasploit module.
Other vulnerabilities in n/a
Sources
Also known as GHSA-wh3w-jcc7-mhmf, PYSEC-2023-41.