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Broadcast Live Video CVE-2026-27053

| EUVD-2026-36913 CRITICAL
Deserialization of Untrusted Data (CWE-502)
2026-06-15 Patchstack GHSA-gfh6-hf96-9gf9
9.8
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
9.8 CRITICAL

Unauthenticated remote deserialization in a WordPress plugin endpoint (AV:N/AC:L/PR:N/UI:N); PHP object injection with available gadgets yields full C/I/A impact.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Jun 15, 2026 - 22:40 vuln.today
Patch available
Jun 15, 2026 - 22:32 EUVD

DescriptionCVE.org

Unauthenticated PHP Object Injection in Broadcast Live Video < 7.1.3 versions.

AnalysisAI

Unauthenticated PHP Object Injection in the Broadcast Live Video WordPress plugin (versions prior to 7.1.3) allows remote attackers to inject crafted serialized PHP objects that are deserialized by the application. With a CVSS 9.8 (AV:N/AC:L/PR:N/UI:N) and CWE-502 root cause, successful exploitation can lead to remote code execution, data theft, or full site takeover when suitable gadget chains are present in the WordPress stack. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify WordPress site running Broadcast Live Video <7.1.3
Delivery
Craft serialized PHP object payload targeting known gadget chain
Exploit
Send HTTP request to vulnerable plugin endpoint
Execution
Plugin deserializes attacker-controlled object
Persist
Magic methods trigger gadget chain execution
Impact
Achieve RCE or admin takeover on WordPress site

Vulnerability AssessmentAI

Exploitation No authentication and no user interaction required (PR:N/UI:N), exploitation is remote over the network (AV:N) against any WordPress site that has the VideoWhisper Broadcast Live Video plugin installed and activated at a version below 7.1.3 with the vulnerable endpoint reachable. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment All available signals point to a high-priority issue: CVSS 9.8 with AV:N/AC:L/PR:N/UI:N indicates remote, network-reachable, unauthenticated exploitation with low complexity, and CWE-502 deserialization flaws are historically high-impact in PHP ecosystems. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A remote attacker sends a single crafted HTTP request to a vulnerable plugin endpoint of an internet-exposed WordPress site, embedding a serialized PHP object payload that targets a POP gadget chain present in WordPress or other installed plugins. When the plugin deserializes the input, the chained magic methods fire and trigger file writes, arbitrary code execution, or admin-level actions - leading to full site compromise. …
Remediation Vendor-released patch: 7.1.3 - upgrade the Broadcast Live Video (VideoWhisper Live Streaming Integration) plugin to version 7.1.3 or later via the WordPress plugin dashboard or by deploying the fixed release from the vendor, per the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/videowhisper-live-streaming-integration/vulnerability/wordpress-broadcast-live-video-plugin-7-1-3-php-object-injection-vulnerability). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Enumerate all WordPress instances running Broadcast Live Video plugin and record current versions. …

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CVE-2026-27053 vulnerability details – vuln.today

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