ChurchCRM up to 7.0.x EditEventAttendees.php EName/EDesc cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.09

Summaryinfo

A vulnerability, which was classified as problematic, was found in ChurchCRM up to 7.0.x. Affected by this issue is some unknown functionality of the file EditEventAttendees.php. The manipulation of the argument EName/EDesc results in cross site scripting. This vulnerability is known as CVE-2026-39941. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in ChurchCRM up to 7.0.x. Affected is some unknown functionality of the file EditEventAttendees.php. The manipulation of the argument EName/EDesc with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-39941 since 04/08/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

By approaching the search of inurl:EditEventAttendees.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 7.1.0 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ChurchCRM 7.1.0

Timelineinfo

04/08/2026 CVE reserved
04/09/2026 +1 days Advisory disclosed
04/09/2026 +0 days VulDB entry created
04/09/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-39941 (🔒)
GCVE (CVE): GCVE-0-2026-39941
GCVE (VulDB): GCVE-100-356610

Entryinfo

Created: 04/09/2026 18:16
Changes: 04/09/2026 18:16 (67)
Complete: 🔍
Cache ID: 216:5DA:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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