Cyber Resilience

CVE-2023-33661

MediumPublic PoC

Published: 29 June 2023

Published
29 June 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0053 67.4th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-33661 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Churchcrm Churchcrm. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 32.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Multiple cross-site scripting (XSS) vulnerabilities were discovered in Church CRM v4.5.3 in GroupReports.php via GroupRole, ReportModel, and OnlyCart parameters.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

churchcrm
churchcrm
4.5.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References