CVE-2026-41241: pretalx: Stored cross-site scripting in organiser search typeahead

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-23 · updated 2026-06-17
Weakness: CWE-79

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.

Affected products

pretalx: before 2026.1.0 — fixed in 2026.1.0

How to fix

Upgrade to a fixed version: pretalx 2026.1.0. Check the vendor advisory for mitigations.

References

https://github.com/pretalx/pretalx/security/advisories/GHSA-cjcx-jfp2-f7m2

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