A reflected cross-site scripting (XSS) vulnerability in ChurchCRM 4.5.3 allows remote attackers to inject arbitrary web script or HTML via…

published 2023-04-25 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-29304

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits: 0; none known, plus a Nuclei check

A reflected cross-site scripting (XSS) vulnerability in ChurchCRM 4.5.3 allows remote attackers to inject arbitrary web script or HTML via the id parameter of /churchcrm/v2/family/not-found.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-02-03)

Exploit prediction

1.52% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template ChurchCRM 4.5.3 - Cross-Site Scripting nuclei detection template
github.com https://github.com/10splayaSec/CVE-Disclosures/tree/main/ChurchCRM/CVE-2023-25346 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /10splayaSec/CVE-Disclosures/tree/main/ChurchCRM/CVE-2023-25346
exploit, third-party-advisory
github.com /ChurchCRM/CRM
product

Sources

CVE List CVE-2023-25346
NVD CVE-2023-25346

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary