CVE-2024-12504Network attack vector

Stored XSS via unescaped shortcode attributes

Published Jan 23, 2025 · Updated Apr 8, 2026

Stored XSS in VideoWhisper Broadcast Live Video 6.1.9 and earlier allows remote authenticated users to inject scripts through shortcode attributes. The videowhisper_hls shortcode handler places user-supplied attributes into generated page markup without sufficient sanitization or context-appropriate output escaping. Contributor-level access is required; the stored payload runs when a user opens the affected page, enabling script execution in that visitor's browser context.

CVSS severity6.4
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in VideoWhisper Broadcast Live Video 6.1.9 and earlier allows remote authenticated users to inject scripts through shortcode attributes. The videowhisper_hls shortcode handler places user-supplied attributes into generated page markup without sufficient sanitization or context-appropriate output escaping. Contributor-level access is required; the stored payload runs when a user opens the affected page, enabling script execution in that visitor's browser context.

The record

CVE
CVE-2024-12504
Published
Jan 23, 2025
Updated
Apr 8, 2026
Vendor
VideoWhisper
Product
Broadcast Live Video
Classifications
CWE-79, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 23, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=6.1.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

VideoWhisper · Broadcast Live Videoversion=0 <=6.1.9

Published CVSS scores

6.4WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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