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Broadcast Live Video EUVDEUVD-2026-101014

| CVE-2026-107421 HIGH
Session Fixation (CWE-384)
2026-10-14 Patchstack GHSA-8gfq-c8vp-5h7c
7.3
CVSS 3.1 · Vendor: Patchstack
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Fix/plant known session ID
  2. Exploit
    Lure victim to plugin login
  3. Execution
    Victim authenticates on fixed session
  4. Impact
    Reuse session to hijack account

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V7 - Session Management Session fixation prevention
Exploitation Conditions

Exploitation targets the plugin's session handling: the attacker must be able to set or predict a session identifier and then get a legitimate user of a WordPress site running VideoWhisper Broadcast Live Video (versions up to and including 7.3.2) to authenticate while that fixed identifier is active. The key limiting factor is victim interaction - the user must log in under the attacker-controlled session for the hijack to succeed - which makes the published UI:N metric questionable. Exploitation also requires that the site actually deploys this specific plugin and exposes the affected authenticated session flow; it does not grant server-level compromise, only takeover of the victim's authenticated session scope.

Impact

This is a Session Fixation flaw (CWE-384) in the VideoWhisper 'Broadcast Live Video' WordPress plugin, reported by Patchstack and rated CVSS 7.3 (HIGH) with vector AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. No EPSS score, CISA KEV listing, or SSVC decision data was provided in the input, and no public exploit is referenced, so exploitation probability cannot be quantified from the available signals. The CVSS vector claims no user interaction (UI:N), but session fixation attacks almost always require the victim to authenticate using an attacker-supplied/fixed session identifier - this is a notable discrepancy: the published UI:N likely overstates automatability, and realistically UI:R should apply. Verify with vendor/Patchstack. The 'Low' confidentiality/integrity/availability impacts reflect that a successful attack hijacks a single victim's session rather than compromising the server, so the practical blast radius is scoped to the hijacked account's privileges. Net assessment: a legitimate medium-priority web issue (session hijacking against a specific niche plugin), not a widespread wormable threat; the HIGH rating is driven largely by the optimistic UI:N/PR:N metrics rather than evidence of real-world exploitation.

Exploit ScenarioDerived

An attacker plants or fixes a known session identifier (e.g., via a crafted link or pre-set cookie) and lures a user of a site running the Broadcast Live Video plugin to authenticate under that identifier. Once the victim logs in, the attacker reuses the now-authenticated fixed session to hijack the victim's session and act as that user. No public proof-of-concept exploit code is referenced in the available data.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 14, 2026

Session hijacking in the VideoWhisper Broadcast Live Video WordPress plugin (up to version 7.3.2) is enabled by a session fixation flaw (CWE-384), allowing remote attackers to take over authenticated sessions, but only if a victim logs in while an attacker-controlled session ID is active (UI:R per independent assessment). No public exploit code exists and no active exploitation is confirmed (not in CISA KEV). The published CVSS 7.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) overstates the required user interaction and availability impact; the assessed vector is AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

RemediationAI

No vendor-released patch is explicitly identified in the provided data; check the Patchstack advisory and the plugin's WordPress page for an update beyond version 7.3.2. If no patch is available, the most effective mitigation is to disable or uninstall the Broadcast Live Video plugin until a fix is released, accepting the loss of live streaming functionality. Alternatively, if the plugin must remain active, enforce session regeneration upon login at the application level (e.g., via custom code or a security plugin that resets session IDs after authentication) and ensure that session identifiers are never accepted from user-controllable inputs such as URL parameters or cookies. Deploy a web application firewall (WAF) rule to block attempts to set session IDs via query strings or headers, but note that WAFs may not fully prevent session fixation if the vulnerability is in application logic. Monitor authentication logs for anomalous session activity. Always test mitigations in a staging environment before production deployment.

Affected VersionsENISA

Broadcast Live Video 0 ≤7.3.2

Affected Packages

euvd broadcast_live_video no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The vulnerability is a session fixation issue (CWE-384) in the WordPress plugin 'Broadcast Live Video' by VideoWhisper, which provides live streaming integration. The plugin fails to regenerate or validate session identifiers after authentication, allowing an attacker to set a known session ID (e.g., via crafted URL or cookie) and then have a legitimate user authenticate with that same ID, resulting in session hijacking. The CPE cpe:2.3:a:videowhisper.com:broadcast_live_video:*:*:*:*:*:*:*:* indicates all versions are potentially affected, but the provider states versions through 7.3.2 are vulnerable. The independent assessment adjusts the published CVSS (UI:N, A:L) to require user interaction (UI:R) and no availability impact (A:N), reflecting that the attacker cannot force authentication without the victim's participation. The plugin operates within the WordPress authentication framework, and the flaw does not grant server-level compromise, only takeover of the victim's authenticated session scope.

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Severity by source

Vendor (Patchstack) PRIMARY 7.3 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
vuln.today AI 5.4 MEDIUM

Network-reachable session fixation needs no attacker privileges but requires the victim to authenticate (UI:R); impact is scoped to one hijacked account (C:L/I:L), with no inherent availability loss (A:N).

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

DescriptionCVE.org

Session Fixation vulnerability in VideoWhisper.com Broadcast Live Video videowhisper-live-streaming-integration allows Session Hijacking.This issue affects Broadcast Live Video: from n/a through 7.3.2.

Executive ViewAI

Why It Matters

VideoWhisper Broadcast Live Video plugin for WordPress, versions up to 7.3.2, contains a session fixation flaw that can enable authenticated session takeover when a user logs in during an attacker-influenced session. No vendor-released patch identified at time of analysis, and no public exploit identified at time of analysis, but the issue still requires user interaction and has limited confidentiality and integrity impact. Leadership should ensure affected WordPress sites are identified and access is constrained, particularly where privileged accounts use the plugin.

Business Impact: Medium
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include disabling or removing the VideoWhisper Broadcast Live Video plugin up to 7.3.2, restricting access to trusted networks or authenticated administrators, enforcing MFA, monitoring and invalidating suspicious sessions, and applying WAF virtual patching where available. Deploy the vendor patch once released.

Threat Intelligence Overview

EPSS Score
0.2%
Top 85% exploitable
Prevalence
Low
Niche third-party WordPress live-streaming plugin, modest install base
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
Medium
Technical Impact
Partial

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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