CVE-2026-15796Network attack vector

Stored XSS via unescaped background video URL

Published Sep 10, 2026 · Updated Sep 10, 2026

Stored XSS in Builderall for WordPress 3.0.2 and earlier allows remote authenticated users to inject scripts through bg_video_service_url. The video-row renderer places the stored setting into page output without sufficient sanitization or output escaping. Contributor-level access is required, and the script executes in a visitor's browser when the injected page is opened.

CVSS severity6.4
Medium
EPSS probability0.19%
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 Builderall for WordPress 3.0.2 and earlier allows remote authenticated users to inject scripts through bg_video_service_url. The video-row renderer places the stored setting into page output without sufficient sanitization or output escaping. Contributor-level access is required, and the script executes in a visitor's browser when the injected page is opened.

The record

CVE
CVE-2026-15796
Published
Sep 10, 2026
Updated
Sep 10, 2026
Vendor
Builderall
Product
Builderall for WordPress
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 10, 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 <=3.0.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Builderall · Builderall for WordPressversion=0 <=3.0.2

Published CVSS scores

6.4WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/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.

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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')
T1059.007Command and Scripting Interpreter: JavaScript

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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