CVE-2024-50430Network attack vector

Contributor-triggered script execution in privileged users' browsers

Published Nov 19, 2024 · Updated May 11, 2026

Stored XSS in Beaver Builder 2.8.3.7 and earlier allows remote authenticated users to execute script in a privileged user's browser via saved content. Patchstack has not published the affected input, module, code path, or incorrect neutralization operation, leaving the underlying mechanism undisclosed. Contributor-level access is required to store the payload, and exploitation also requires a privileged user to open the affected content.

CVSS severity5.9
Medium
EPSS probability0.26%
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 Beaver Builder 2.8.3.7 and earlier allows remote authenticated users to execute script in a privileged user's browser via saved content. Patchstack has not published the affected input, module, code path, or incorrect neutralization operation, leaving the underlying mechanism undisclosed. Contributor-level access is required to store the payload, and exploitation also requires a privileged user to open the affected content.

The record

CVE
CVE-2024-50430
Published
Nov 19, 2024
Updated
May 11, 2026
Vendor
Beaver Builder
Product
Beaver Builder
Classifications
CWE-79, CAPEC-592, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 19, 2024CVE publishedPublication date reported by the CVE source.
  2. May 11, 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 <=2.8.3.7 changes=[{"at":"2.8.3.9","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Beaver Builder · Beaver Builderversion=0 <=2.8.3.7 changes=[{"at":"2.8.3.9","status":"unaffected"}]

Published CVSS scores

5.9PatchstackCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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')
CAPEC-592Stored XSS
T1203Exploitation for Client Execution

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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