CVE-2026-39941

ChurchCRM has an XSS vulnerability

MEDIUM
6.1
CVSS Score
Published: April 9, 2026 at 03:38 PM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendorChurchCRM

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.3%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 7.1.0
Affected range stops below 7.1.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

x_refsource_CONFIRMExploitVendor Advisory
Source: cverecord
https://github.com/ChurchCRM/CRM/security/advisories/GHSA-4mqw-9jww-2c58
x_refsource_MISCProductRelease Notes
Source: cverecord
https://github.com/ChurchCRM/CRM/releases/tag/7.1.0

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79CWE-80

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