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Royal Addons for Elementor CVE-2026-13404

| EUVDEUVD-2026-66266 MEDIUM
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-08-26 WPScan GHSA-v5xw-4p3j-4gfh
5.3
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
vuln.today AI
5.3 MEDIUM

Nonce is publicly scrapeable so PR:N and AC:L hold; impact is integrity-only on post meta with no confidentiality or availability consequence, yielding I:L/C:N/A:N.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

5
Analysis Generated
Aug 26, 2026 - 16:13 vuln.today
CVSS changed
Aug 26, 2026 - 15:52 NVD
5.3 (None) 5.3 (MEDIUM)
Patch available
Aug 26, 2026 - 08:01 EUVD
CVE Published
Aug 26, 2026 - 06:00 cve.org
MEDIUM 5.3
CVE Published
Aug 26, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The Royal Addons for Elementor WordPress plugin before 1.7.1066 does not perform any capability or ownership check (relying only on a publicly-scrapeable nonce) before writing like-count and visitor-tracking post meta keyed on an arbitrary post ID, allowing unauthenticated users to modify that metadata on any post, including private and draft posts.

AnalysisAI

Unauthenticated metadata tampering in Royal Addons for Elementor WordPress plugin before 1.7.1066 allows any remote visitor to overwrite like-count and visitor-tracking post meta on arbitrary posts, including private and draft posts, because the plugin's AJAX handler validates only a nonce - a value scrapeable from any public page - without performing any WordPress capability or post-ownership check. A publicly available proof-of-concept exists per WPScan. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation No authentication is required. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) scores 5.3 Medium, accurately reflecting network reachability with no prerequisites, but the scope change is absent and integrity impact is constrained to post meta rather than content or credentials. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade Royal Addons for Elementor to version 1.7.1066 or later via the WordPress plugin dashboard or wp-cli ('wp plugin update royal-elementor-addons'). … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-13404 vulnerability details – vuln.today

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