CVE-2025-34439

AVideo < 20.1 Open Redirect via cancelUri Parameter

4.8 Medium

AVideo versions prior to 20.1 are vulnerable to an open redirect flaw due to missing validation of the cancelUri parameter during user login. An attacker can craft a link to redirect users to arbitrary external sites, enabling phishing attacks.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Active

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.19%Up 0.2 points since Dec 18, 2025

What each source reports

CVE List Score used 4.8

AVideo < 20.1 Open Redirect via cancelUri Parameter

Record: CVE-2025-34439
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness: CWE-601
Updated: 2026-11-02

EUVDEUVD-2025-203950 4.8

Record: EUVD-2025-203950
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-3pgj-h3jv-hj48 4.8

AVideo versions prior to 20.0 are vulnerable to an open redirect flaw due to missing validation...

AVideo versions prior to 20.0 are vulnerable to an open redirect flaw due to missing validation of the cancelUri parameter during user login. An attacker can craft a link to redirect users to arbitrary external sites, enabling phishing attacks.

Record: GHSA-3pgj-h3jv-hj48
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/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 4.8

Record: CVE-2025-34439
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/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 4.8

AVideo < 20.1 Open Redirect via cancelUri Parameter

Record: CVE-2025-34439
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/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-2025-34439 is a medium vulnerability (CVSS 4.8) in World Wide Broadcast Network Avideo, published December 17, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 9th percentile. No source names a fixed version.