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CVE-2022-39338

LOW
Published 2022-11-25T00:00:00.000Z
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CVSS Score

V3.1
3.5
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.324
Higher than 32.4% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
NONE

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

nextcloud

security-advisories

Affected Versions:

< 1.2.1

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-5fpw-795h-rg57
https://github.com/nextcloud/user_oidc/pull/496
https://hackerone.com/reports/1687410
Published: 2022-11-25T00:00:00.000Z
Last Modified: 2025-04-23T16:35:07.992Z
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