Description
ChurchCRM is an open-source church management system. Prior to 7.1.0, an XSS vulnerability allows attacker-supplied input sent via a the EName and EDesc parameters in EditEventAttendees.php to be rendered in a page without proper output encoding, enabling arbitrary JavaScript execution in victims' browsers. This vulnerability is fixed in 7.1.0.
Affected products
churchcrm: churchcrm
References4
- github.com/ChurchCRM/CRM/security/advisories/GHSA-4mqw-9jww-2c58 ExploitVendor Advisory
- github.com/ChurchCRM/CRM/security/advisories/GHSA-4mqw-9jww-2c58 ExploitVendor Advisory
- github.com/ChurchCRM/CRM/commit/d2f7f36e2ea342419026ddc4bc4ea8e… Patch
- github.com/ChurchCRM/CRM/releases/tag/7.1.0 ProductRelease Notes
Metrics
- CVSS 3.1
-
6.1
MEDIUM
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 4.0
-
5.3
MEDIUM
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 0% percentile: 20 · as of 12 November 2026
- CWE
- CWE-79CWE-80
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.