Vulnerability · Published Feb 19, 2025 · Assigned by Gridware

CVE-2025-1024Session Hijacking via Reflected Cross-Site Scripting (XSS) in ChurchCRM EditEventAttendees.php EID Parameter

High 8.4

In plain English

A high-severity improper authentication in ChurchCRM from ChurchCRM. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).

Severity (CVSS 4.0)8.4High

Exploit odds (30 days)0.3%top 78.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability exists in ChurchCRM 5.13.0 that allows an attacker to execute arbitrary JavaScript in a victim's browser via Reflected Cross-Site Scripting (XSS) in the EditEventAttendees.php page. This requires Administration privileges and affects the EID parameter. The flaw allows an attacker to steal session cookies, perform actions on behalf of an authenticated user, and gain unauthorized access to the application.

Affected products (as reported)

Vendor	Product	Versions
ChurchCRM	ChurchCRM	ChurchCRM 5.13.0 and prior

Weakness: CWE-287 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H/AU:Y/R:U/V:C/RE:L/U:Amber

References

https://github.com/ChurchCRM/CRM/issues/7250