What is the CVSS score of CVE-2026-24855?

CVE-2026-24855 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Churchcrm are affected by CVE-2026-24855?

Organizations using ChurchCRM should be aware of moderate risk from CVE-2026-24855, a cross-site scripting vulnerability rated CVSS 5.4.. A patch is available.

Is there a public PoC exploit available for CVE-2026-24855?

Yes, a public proof-of-concept exploit is available for CVE-2026-24855. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-24855?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Churchcrm CVE-2026-24855

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-01-30 security-advisories@github.com

XSS Churchcrm

5.4

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

5.4 MEDIUM

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

PoC Detected

Feb 17, 2026 - 14:32 vuln.today

Public exploit code

Patch released

Feb 17, 2026 - 14:32 nvd

Patch available

CVE Published

Jan 30, 2026 - 16:16 nvd

MEDIUM 5.4

DescriptionGitHub Advisory

ChurchCRM is an open-source church management system. Versions prior to 6.7.2 have a Stored Cross-Site Scripting (XSS) vulnerability occurs in Create Events in Church Calendar. Users with low privileges can create XSS payloads in the Description field. This payload is stored in the database, and when other users view that event (including the admin), the payload is triggered, leading to account takeover. Version 6.7.2 fixes the vulnerability.

AnalysisAI

ChurchCRM versions before 6.7.2 contain a stored XSS vulnerability in the event creation feature that allows low-privileged users to inject malicious scripts into event descriptions. These payloads persist in the database and execute when administrators or other users view the affected events, potentially enabling account takeover. …

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Vulnerability AssessmentAI

Risk Assessment	CVSS 5.4 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An attacker (requires authentication) could exploit this flaw, account takeover.
Remediation	A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-24855 vulnerability details – vuln.today

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