CVE-2026-4336Public exploitNetwork attack vector

Stored XSS via decoded entity payloads

Published Apr 9, 2026 · Updated Apr 9, 2026

Stored XSS in Etoile Web Design Ultimate FAQ Accordion Plugin 2.4.7 and earlier allows remote authenticated users to inject scripts. set_display_variables() decodes entity-encoded post_content, and faq-answer.php emits the result without an HTML allowlist. Author-level access is required; the script runs in a visitor's browser when an injected FAQ page or shortcode output is opened.

CVSS severity6.4
Medium
EPSS probability0.23%
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 Etoile Web Design Ultimate FAQ Accordion Plugin 2.4.7 and earlier allows remote authenticated users to inject scripts. set_display_variables() decodes entity-encoded post_content, and faq-answer.php emits the result without an HTML allowlist. Author-level access is required; the script runs in a visitor's browser when an injected FAQ page or shortcode output is opened.

The record

CVE
CVE-2026-4336
Published
Apr 9, 2026
Updated
Apr 9, 2026
Vendor
Etoile Web Design
Product
Ultimate FAQ Accordion Plugin
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 9, 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 <=2.4.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Etoile Web Design · Ultimate FAQ Accordion Pluginversion=0 <=2.4.7

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.

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 exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

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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