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CVE-2025-1024· NVD / CVE Program· CNA Gridware

Session Hijacking via Reflected Cross-Site Scripting (XSS) in ChurchCRM EditEventAttendees.php EID Parameter

A vulnerability exists in ChurchCRM 5.13.0 that allows an attacker to execute arbitrary JavaScript in a victim's browser via Reflected Cross-Site Scripting (XSS) in the EditEventAttendees.php page. This requires Administration privileges and affects the EID parameter. The flaw allows an attacker to steal session cookies, perform actions on behalf of an authenticated user, and gain unauthorized access to the application.

HighCVSS 8.4 · v4.0—No exploit No fix recorded
Published
Feb 19, 2025
Updated
Jun 17, 2026
EPSS
0.3% · 19th percentile
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Report tools

JSON

Action score

33

Monitor

Low priority for now.

CVSS
33 / 40 · 8.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · Gridware
8.4
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H/AU:Y/R:U/V:C/RE:L/U:Amber

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 churchcrmup to 5.13.0 inclusive

Versions reported by the vendor

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

  • ChurchCRM ChurchCRM

    • ChurchCRM 5.13.0 and prioraffected

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.

No commit or PR link among the references.

Credits

All researchers

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

Variant candidates

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

  • CVE-2025-09811 days apartSession Hijacking via Stored Cross-Site Scripting (XSS) in ChurchCRM GroupEditor.php Description Field
    33Monitor
  • CVE-2025-11529231 days apartChurchCRM API Endpoint AuthMiddleware.php AuthMiddleware missing authentication
    22Monitor

Chain candidates

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

  • CVE-2025-11320 days apartSQL Injection in ChurchCRM EN_tyid Parameter via EditEventAttendees.php
    37Monitor
  • CVE-2025-11330 days apartSQL Injection in ChurchCRM EID Parameter via EditEventAttendees.php
    37Monitor
  • CVE-2025-11340 days apartSQL Injection in ChurchCRM CurrentFundraiser Parameter via DonatedItemEditor.php
    37Monitor
  • CVE-2025-11350 days apartSQL Injection in ChurchCRM CurrentFundraiser Parameter via BatchWinnerEntry.php
    37Monitor

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.
  • Administrator privileges are required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
P
Scope
X

Weakness class (CWE)

CWE-287 · Improper Authentication

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H/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:Y/R:U/V:C/RE:L/U:Amber

nvd-secondary

Root cause

Authentication is added route by route instead of being enforced in one place. When a route added later bypasses the shared middleware, the session check never runs for it.

The bug in code

The whole CWE-287 class

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

Vulnerable

ts
app.use("/admin", requireSession, adminRouter);
// Route added later skips the middlewareapp.post("/admin-api/config", updateConfig);

Fixed

ts
const admin = express.Router();admin.use(requireSession, requireRole("admin"));
admin.post("/config", updateConfig);app.use("/admin", admin);

Attack context

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

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

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

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