Stored cross site scripting (XSS) vulnerability via Authorization Endpoint in user_oidc
Published Nov 25, 2022
5.4
MEDIUMCVSS 3.1
EPSS 0.63%
Description
user_oidc is an OpenID Connect user backend for Nextcloud. Versions prior to 1.2.1 did not properly validate discovery urls which may lead to a stored cross site scripting attack vector. The impact is limited due to the restrictive CSP that is applied on this endpoint. Additionally this vulnerability has only been shown to be exploitable in the Safari web browser. This issue has been addressed in version 1.2.1. Users are advised to upgrade. Users unable to upgrade should urge their users to avoid using the Safari web browser.
Affected products
-
- Version < 1.2.1StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Nextcloud | Security-Advisories | n/a |
|
- < 1.2.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (4)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-41814 Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-5fpw-795h-rg57 Third Party Advisory
- https://github.com/nextcloud/user_oidc/pull/496 PatchThird Party Advisory
- https://hackerone.com/reports/1687410 Permissions RequiredThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-41814 | Advisory | |
| https://github.com/nextcloud/security-advisories/security/advisories/GHSA-5fpw-795h-rg57 | Third Party Advisory | |
| https://github.com/nextcloud/user_oidc/pull/496 | PatchThird Party Advisory | |
| https://hackerone.com/reports/1687410 | Permissions RequiredThird Party Advisory |
Change history (0)
No recorded changes yet.