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Stored XSS via Authorization Endpoint - Safari-Only

Low
nickvergessen published GHSA-5fpw-795h-rg57 Nov 25, 2022

Package

user_oidc (Nextcloud)

Affected versions

< 1.2.1

Patched versions

1.2.1

Description

Impact

Stored XSS. The impact is limited due to the restrictive CSP that is applied on this endpoint.

Patches

Patched in v1.2.1

Workarounds

Avoid using the Safari web browser.

References

https://hackerone.com/reports/1687410
nextcloud/user_oidc#496

For more information

If you have any questions or comments about this advisory:

Severity

Low
3.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

CVE ID

CVE-2022-39338

Weaknesses

Credits