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Frontend Admin By Dynamiapps EUVDEUVD-2026-51438

| CVE-2026-13609 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-07-31 WPScan GHSA-pgxc-8xw2-rggm
8.8
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from Vendor (WPScan) · only source for this CVE.

CVSS VectorVendor: WPScan

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

Lifecycle Timeline

5
Analysis Generated
Jul 31, 2026 - 17:24 vuln.today
CVSS changed
Jul 31, 2026 - 17:22 NVD
8.8 (HIGH)
Patch available
Jul 31, 2026 - 07:01 EUVD
CVE Published
Jul 31, 2026 - 06:00 cve.org
HIGH 8.8
CVE Published
Jul 31, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The Frontend Admin by DynamiApps WordPress plugin before 3.29.9 decodes HTML entities in a submitted form field value after sanitizing it, which restores HTML tags that the sanitizer had neutralized. A double-encoded payload submitted by an unauthenticated visitor is therefore stored as a live tag and later output without escaping on the Frontend Admin by DynamiApps WordPress plugin before 3.29.9's front-end display surfaces, resulting in stored cross-site scripting that executes in the browser of any user, including an administrator, who views a page displaying the submitted value.

AnalysisAI

Stored cross-site scripting in the Frontend Admin by DynamiApps WordPress plugin (all versions before 3.29.9) allows unauthenticated visitors to permanently inject executable script content into site storage by exploiting a double-encoding sanitization bypass. The flaw arises because the plugin re-decodes HTML entities after sanitization, resurrecting neutralized tags; the live payload is then rendered without escaping on front-end display surfaces and fires in the browser of any authenticated user — including site administrators — who later views the affected page. …

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Recommended ActionAI

Within 24 hours, identify all WordPress installations using the Frontend Admin by DynamiApps plugin and assess current versions; immediately update to version 3.29.9 or later. …

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EUVD-2026-51438 vulnerability details – vuln.today

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