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nextcloudNextcloudGHSA-5FPW-795H-RG57
HistoryNov 25, 2022 - 11:28 a.m.

Stored XSS via Authorization Endpoint - Safari-Only

2022-11-2511:28:32
github.com
8

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

4.9 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:P/A:N

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&gt;
nextcloud/user_oidc#496

For more information

If you have any questions or comments about this advisory:

CPENameOperatorVersion
user_oidclt1.2.1

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

4.9 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:P/A:N

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