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NVD / CVE Program· CNA GitHub_M

CVE-2026-39941: ChurchCRM has an XSS vulnerability

MediumCVSS 5.3 · v4.0—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 21/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.27% (FIRST EPSS).
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No special conditions are required; it is repeatable.
  • Fixed version: ChurchCRM CRM 7.1.0.

Low priority for now. Upgrade to ChurchCRM CRM 7.1.0 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

ChurchCRM is an open-source church management system. Prior to 7.1.0, an XSS vulnerability allows attacker-supplied input sent via a the EName and EDesc parameters in EditEventAttendees.php to be rendered in a page without proper output encoding, enabling arbitrary JavaScript execution in victims' browsers. This vulnerability is fixed in 7.1.0.

Published
Apr 9, 2026
Updated
Oct 26, 2026
EPSS
0.2% · 19th percentile

Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · GitHub_M
5.3
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2026-39941

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
churchcrmchurchcrm

Limit the impact of XSS

This is a cross-site scripting (XSS) vulnerability. A well-configured Content-Security-Policy doesn't fix it, but greatly reduces its impact. Check your site's CSP and other security headers for free.

Check security headers

Versions reported by the vendor

Affected version ranges reported by the assigning authority (GitHub_M). Independent of NVD's CPE analysis and usually ahead of it.

  • ChurchCRM CRM

    • < 7.1.0affected

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • churchcrm churchcrmbefore 7.1.0

Same product

churchcrm: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-62521ChurchCRM has unauthenticated RCE in its Install Wizard
    60This week
  • CVE-2026-39337ChurchCRM Affected by Unauthenticated RCE in Install Wizard
    40Plan
  • CVE-2025-68109ChurchCRM vulnerable to RCE with database restore functionality
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2026-39338Apr 7, 2026 · ChurchCRM has Blind XSS via Global Search – Administrative Cookie Session Exfiltration
    34Monitor
  • ← EarlierCVE-2026-39339Apr 7, 2026 · ChurchCRM has an API Authentication Bypass
    36Monitor
  • ← EarlierCVE-2026-39340Apr 7, 2026 · ChurchCRM has a SQL Injection in PropertyTypeEditor.php via Incorrect Sanitizer Substitution
    32Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
ChurchCRM CRM7.1.0 · descriptionVendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-67876113 days apartChurchCRM has Stored XSS in Group Role Name Leading to Admin Session Hijacking
    37Monitor
  • CVE-2025-68275113 days apartChurchCRM vulnerable to Stored XSS - Group name > Person Listing
    36Monitor
  • CVE-2026-393282 days apartChurchCRM has Stored XSS in Social Profile Fields
    35Monitor
  • CVE-2026-393322 days apartChurchCRM has Reflected Cross-Site Scripting (XSS) in GeoPage.php
    34Monitor
  • CVE-2026-393332 days apartChurchCRM has Reflected XSS in DateStart/DateEnd parameters in FindFundRaiser.php
    34Monitor
  • CVE-2026-393382 days apartChurchCRM has Blind XSS via Global Search – Administrative Cookie Session Exfiltration
    34Monitor

Not on record for this CVE: EPSS history · researcher credit · public bounty program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
P
Scope
X

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd-secondary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

References

Show all references (1 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records