TI-2020-17411 Aliases CVE-2020-28849 GHSA-796x-q48r-j82h

Cross Site Scripting (XSS) vulnerability in ChurchCRM version 4.2.1, allows remote…

MEDIUM 58CWE-79Published 2023-08-11 · Updated 2024-10-09

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Cross Site Scripting (XSS) vulnerability in ChurchCRM version 4.2.1, allows remote attckers to execute arbitrary code and gain sensitive information via crafted payload in Add New Deposit field in View All Deposit module.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00434 37th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:churchcrm:churchcrm::::::::	up to 4.2.1	Vulnerable	ChurchCRM

cpe:2.3:a:churchcrm:churchcrm:*:*:*:*:*:*:*:* Versions up to 4.2.1 Vulnerable ·ChurchCRM

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-28849
2026-10-03 Alias added: GHSA-796x-q48r-j82h

References

Exploit 1

https://github.com/ChurchCRM/CRM/issues/5477

TI-2026-28325 ChurchCRM Affected by Unauthenticated RCE in Install Wizard CVSS 3.1CRITICAL 10.0
TI-2025-38761 ChurchCRM has unauthenticated RCE in its Install Wizard CVSS 3.1CRITICAL 10.0
TI-2024-35802 EventAttendance.php in ChurchCRM 5.7.0 is vulnerable to SQL injection. CVSS 3.1CRITICAL 9.8
TI-2024-16997 ChurchCRM 5.5.0 /EventEditor.php is vulnerable to Blind SQL Injection (Time-based) via the EventCount POST parameter. CVSS 3.1CRITICAL 9.8
TI-2025-41969 ChurchCRM vulnerable to time-based blind SQL Injection in ConfirmReportEmail.php CVSS 4.0CRITICAL 9.3
TI-2025-00963 SQL Injection in ChurchCRM CurrentFundraiser Parameter via BatchWinnerEntry.php CVSS 4.0CRITICAL 9.3

See all 109 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences