CVE-2026-24855

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{}

{"analysis": {"en": {"generated_at": "2026-04-18T01:06:52.260447+00:00", "value": {"mitigation_remediation": ["Upgrade ChurchCRM to version 6.7.2 or later to apply the official fix", "If an upgrade cannot be applied immediately, restrict low\u2011privilege users from creating events or remove events containing potential XSS content before they are viewed", "Sanitize or delete stored event descriptions that contain malicious scripts to eliminate existing risks"], "summary": {"action": "Apply Patch", "impact": "Account Takeover via Stored XSS"}, "threat_synthesis": {"affected_systems": "The product affected is ChurchCRM, an open\u2011source church management system. All releases prior to version 6.7.2 contain the flaw; version 6.7.2 and later include the fix. The vulnerability is present in the Create Events feature within Church Calendar, affecting all users who can view these events.", "description_and_impact": "The vulnerability is a stored Cross\u2011Site Scripting flaw in the Create Events module of ChurchCRM. Low\u2011privilege users can inject malicious JavaScript into the Description field of an event. The script is persisted in the database and executed whenever the event is viewed, including by administrators, leading to session hijacking and potential full account takeover. The flaw represents a classic CWE\u201179 weakness where input is not properly sanitized before reflection.", "risk_and_exploitability": "The CVSS base score of 7.2 indicates a high likelihood of significant impact if exploited. The EPSS score is below 1\u202f%, suggesting that the probability of real\u2011world exploitation is currently low. The flaw is not listed in the CISA Known Exploited Vulnerabilities catalog. The exploitation scenario requires an attacker with low privileges to create an event containing the XSS payload; when any user\u2014including administrators\u2014loads the event page, the injected script runs in the victim\u2019s browser, enabling session theft or other malicious actions. This is therefore an internal or local exploitation vector, but once access is gained it can lead to full compromise of the victim\u2019s account."}}}}, "created": "2026-02-02T09:27:39.383094+00:00", "updated": "2026-04-18T01:15:05.987544+00:00", "vendors": ["churchcrm", "churchcrm$PRODUCT$churchcrm"]}