CVE-2025-34504

KodExplorer 4.52 Open Redirect Vulnerability via User Login Endpoint

5.3 Medium

KodExplorer 4.52 contains an open redirect vulnerability in the user login page that allows attackers to manipulate the 'link' parameter. Attackers can craft malicious URLs in the link parameter to redirect users to arbitrary external websites after authentication.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Passive

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.32%Up 0.2 points since Dec 12, 2025

What each source reports

CVE List Score used 5.3

KodExplorer 4.52 Open Redirect Vulnerability via User Login Endpoint

Record: CVE-2025-34504
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-601
Updated: 2026-11-02

EUVDEUVD-2025-202934 5.3

Record: EUVD-2025-202934
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-cpc7-gw8m-x49f 5.3

KodExplorer 4.52 contains an open redirect vulnerability in the user login page that allows...

Record: GHSA-cpc7-gw8m-x49f
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-601
Updated: 2026-11-02

NVD 5.3

Record: CVE-2025-34504
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-601
Updated: 2026-11-02

OSV 5.3

KodExplorer 4.52 Open Redirect Vulnerability via User Login Endpoint

Record: CVE-2025-34504
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-601
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-34504 is a medium vulnerability (CVSS 5.3) in Collabora Kodexplorer, published December 11, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. No source names a fixed version.