VDB-227392 · CVE-2023-26840 · EUVD-2023-30632

ChurchCRM 4.5.3 User cross-site request forgery

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in ChurchCRM 4.5.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component User Handler. Executing a manipulation can lead to cross-site request forgery. This vulnerability is tracked as CVE-2023-26840. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in ChurchCRM 4.5.3. It has been declared as problematic. This vulnerability affects an unknown code of the component User Handler. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect integrity. CVE summarizes:

A cross-site request forgery (CSRF) vulnerability in ChurchCRM v4.5.3 allows attackers to set a person to a user and set that user to be an Administrator.

The weakness was disclosed 04/25/2023. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-26840 since 02/27/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-30632). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

ChurchCRM

Version

4.5.3

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/27/2023 🔍
04/25/2023 +56 days 🔍
04/25/2023 +0 days 🔍
11/12/2025 +932 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-26840 (🔍)
GCVE (CVE): GCVE-0-2023-26840
GCVE (VulDB): GCVE-100-227392
EUVD: 🔍

Entryinfo

Created: 04/25/2023 16:53
Updated: 11/12/2025 03:51
Changes: 04/25/2023 16:53 (37), 05/20/2023 06:28 (11), 02/03/2025 21:05 (26), 04/27/2025 02:15 (3), 11/12/2025 03:51 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.