CVE-2023-35171 - CVE House

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Status published Medium CVE-2023-35171

Nextcloud Server vulnerable to open redirect on "Unsupported browser" warning

4.1 CVSS

Vulnerability Description

NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. Starting in version 26.0.0 and prior to version 26.0.2, an attacker could supply a URL that redirects an unsuspecting victim from a legitimate domain to an attacker's site. Nextcloud Server and Nextcloud Enterprise Server 26.0.2 contain a patch for this issue. No known workarounds are available.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from nextcloud

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Affected Vendor

nextcloud

View all reports →

Affected Software

security-advisories

Vulnerable Versions:

>= 26.0.0, < 26.0.2

Timeline

Official Publish: June 23rd, 2023

Last Modified: November 7th, 2024

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1204 User Execution

T1071 Application Layer Protocol

Command and Control

T1189 Drive-by Compromise

T1036 Masquerading

Defense Evasion