CVE-2026-40483 | ChurchCRM up to 7.1.x Comment cross site scripting (GHSA-wjmf-w8gj-rx7g)

VDB-358186 · CVE-2026-40483 · GHSA-WJMF-W8GJ-RX7G CHURCHCRM UP TO 7.1.X COMMENT CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.4 $0-$5k 0.76+ Summaryinfo A vulnerability labeled as problematic has been found in ChurchCRM up to 7.1.x. This issue affects some unknown processing. Executing a manipulation of the argument Comment can lead to cross site scripting. This vulnerability is handled as CVE-2026-40483. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded. Detailsinfo A vulnerability has been found in ChurchCRM up to 7.1.x and classified as problematic. This vulnerability affects an unknown part. The manipulation of the argument comment with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes: ChurchCRM is an open-source church management system. In versions prior to 7.2.0, the Pledge Editor renders donation comment values directly into HTML input value attributes without escaping via htmlspecialchars(). An authenticated user with Finance permissions can inject HTML attribute-breaking characters and event handlers into the comment field, which are stored in the database and execute in the browser of any user who subsequently opens the pledge record for editing, resulting in stored XSS. This issue has been fixed in version 7.2.0. The advisory is available at github.com. This vulnerability was named CVE-2026-40483 since 04/13/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project. Upgrading to version 7.2.0 eliminates this vulnerability. Applying the patch b3da72a2b35f9c600e340a9dfd35e7792ff4f899 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. Productinfo Name ChurchCRM Version 7.0 7.1 License open-source CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.4 VulDB Meta Temp Score: 4.4 VulDB Base Score: 3.5 VulDB Temp Score: 3.4 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.4 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Cross site scripting CWE: CWE-79 / CWE-94 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined 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: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: ChurchCRM 7.2.0 Patch: b3da72a2b35f9c600e340a9dfd35e7792ff4f899 Timelineinfo 04/13/2026 CVE reserved 04/18/2026 +5 days Advisory disclosed 04/18/2026 +0 days VulDB entry created 04/18/2026 +0 days VulDB entry last update Sourcesinfo Advisory: GHSA-wjmf-w8gj-rx7g Status: Confirmed CVE: CVE-2026-40483 (🔒) GCVE (CVE): GCVE-0-2026-40483 GCVE (VulDB): GCVE-100-358186 Entryinfo Created: 04/18/2026 09:25 Changes: 04/18/2026 09:25 (66) Complete: 🔍 Cache ID: 99:299:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸