Vulnerability · Published Sep 4, 2024 · Assigned by GitHub_M
CVE-2024-45399Indico has a Cross-Site-Scripting during account creation
Medium 4.3
In plain English
A medium-severity cross-site scripting in indico from indico. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. In Indico prior to version 3.3.4, corresponding to Flask-Multipass prior to version 0.5.5, there is a Cross-Site-Scripting vulnerability during account creation when redirecting to the `next` URL. Exploitation requires initiating the account creation process with a maliciously crafted link, and then finalizing the signup process. Because of this, it can only target newly created (and thus unprivileged) Indico users. Indico 3.3.4 upgrades the dependency on Flask-Multipass to version 0.5.5, which fixes the issue. Those who build the Indico package themselves and cannot upgrade can update the `flask-multipass` dependency to `>=0.5.5` which fixes the vulnerability. Otherwise one could configure one's web server to disallow requests containing a query string with a `next` parameter that starts with `javascript:`.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | indico | 3.3.4 | GHSA-rrqf-w74j-24ff |
| PyPI | indico | 3.3.4 | PYSEC-2024-90 |
Affected products (as reported)
Weakness: CWE-79, CWE-1395 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
References
- https://github.com/indico/indico/security/advisories/GHSA-rrqf-w74j-24ff x_refsource_CONFIRM
- https://github.com/indico/flask-multipass/commit/0bdcf656d469e5f675cb56fd644d82fea3a97c2a x_refsource_MISC
- https://github.com/indico/indico/commit/7dcb573837b9fd09d95f74d1baeae225b164cc8f x_refsource_MISC
- https://github.com/indico/indico/releases/tag/v3.3.4 x_refsource_MISC