CVE-2026-41241 pretalx: Stored cross-site scripting in organiser search typeahead
Attackers can inject malicious scripts via user-controlled fields that execute in administrators' browsers during search operations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-41241?
CVE-2026-41241 is a high-severity cross-site scripting vulnerability in pretalx, published on 23 Apr 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
pretalx is a conference planning tool. Prior to 2026.1.0, The organiser search in the pretalx backend rendered submission titles, speaker display names, and user names/emails into the result dropdown using innerHTML string interpolation. Any user who controls one of those fields (which includes any registered user whose display name is looked up by an administrator) could include HTML or JavaScript that would execute in an organiser's browser when the organiser's search query matched the malicious record. This vulnerability is fixed in 2026.1.0.
Weakness: CWE-79
Which versions are affected by CVE-2026-41241?
3 open source packages ship an affected version, including pretalx. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pretalx PyPI | All versions | 2026.1.0 |
pretalx PyPI | All versions | 2026.1.0 |
pretalx PyPI | All versions | 2026.1.0 |
Products include Pretalx Pretalx.
How do I fix CVE-2026-41241?
Upgrade pretalx to 2026.1.0 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-41241 being exploited?
There is no known exploitation of CVE-2026-41241 in the wild and no public exploit code.
Other vulnerabilities in pretalx
Sources
Also known as GHSA-cjcx-jfp2-f7m2, PYSEC-2026-108.