CVE-2026-39336 json
ChurchCRM has Stored XSS from unescaped config values in HTML attributes
published 2026-04-07 7 mo ago modified 2026-10-26 13 d ago also EUVD-2026-19833
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
ChurchCRM is an open-source church management system. Prior to 7.1.0, a stored cross-site scripting issue affects the Directory Reports form fields set from config, Person editor defaults rendered into address fields, and external self-registration form defaults. This is primarily an admin-to-admin stored XSS path where writable configuration fields are abused. This vulnerability is fixed in 7.1.0.
Patch / fix
- churchcrm churchcrm 7.1.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 7 mo ago
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N |
Affected products
- ChurchCRM CRM
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/ChurchCRM/CRM/security/advisories/GHSA-r8cp-gg58-2r2r
third-party-advisory
Sources
- CVE List CVE-2026-39336
- NVD CVE-2026-39336
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.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.