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CVE-2026-24855· NVD / CVE Program· CNA GitHub_M

ChurchCRM has Stored Cross-Site Scripting (XSS) in Create Events in Church Calendar, Leading to Account Takeover

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.

HighCVSS 7.2 · v4.0—No exploit No fix recorded

Noroxi analysis

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Published
Jan 30, 2026
Updated
Jun 17, 2026
EPSS
0.2% · 14th percentile
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Report tools

JSON

Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.2 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · GitHub_M
7.2
NVD has not scored this yet; the score shown is the CNA’s.

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

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

Affected systems

VendorProduct
churchcrmchurchcrm

Affected versions

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

  • churchcrm churchcrmbefore 6.7.2

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

    • < 6.7.2affected

Same product

churchcrm: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-39337ChurchCRM Affected by Unauthenticated RCE in Install Wizard
    40Plan
  • CVE-2025-62521ChurchCRM has unauthenticated RCE in its Install Wizard
    40Plan
  • CVE-2024-53438EventAttendance.php in ChurchCRM 5.7.0 is vulnerable to SQL injection.
    39Monitor
  • CVE-2024-25897ChurchCRM 5.5.0 FRCatalog.php is vulnerable to Blind SQL Injection (Time-based) via the CurrentFundraiser GET parameter.
    39Monitor
  • CVE-2024-25894ChurchCRM 5.5.0 /EventEditor.php is vulnerable to Blind SQL Injection (Time-based) via the EventCount POST parameter.
    39Monitor
  • CVE-2025-1023SQL Injection in ChurchCRM newCountName Parameter via EditEventTypes.php
    38Monitor

Remediation

Which version to upgrade to

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

No fix version is recorded for this entry. Check the references for vendor advisories.

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.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

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

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

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

  • CVE-2025-6787644 days apartChurchCRM has Stored XSS in Group Role Name Leading to Admin Session Hijacking
    37Monitor
  • CVE-2025-6827544 days apartChurchCRM vulnerable to Stored XSS - Group name > Person Listing
    36Monitor
  • CVE-2026-3932867 days apartChurchCRM has Stored XSS in Social Profile Fields
    35Monitor
  • CVE-2025-6787544 days apartChurchCRM has stored XSS via Person Property Assignment Leading to Admin Session Hijacking
    34Monitor
  • CVE-2026-3557467 days apartChurchCRM has a Stored XSS in Person Profile - Add a Note
    34Monitor
  • CVE-2026-3557667 days apartChurchCRM has Stored Cross-Site Scripting (XSS) in Person Properties via PrintView.php
    34Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
Low
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:L/UI:P/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H/E:P/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

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

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

All records