CVE-2026-34558 | ci4-cms-erp ci4ms 0.28.5.0 cross site scripting (GHSA-v77r-xg3p-75g7)

VDB-354288 · CVE-2026-34558 · GHSA-V77R-XG3P-75G7 CI4-CMS-ERP CI4MS 0.28.5.0 CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.2 $0-$5k 2.75 Summaryinfo A vulnerability was found in ci4-cms-erp ci4ms and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation results in cross site scripting. This vulnerability was named CVE-2026-34558. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component. Detailsinfo A vulnerability, which was classified as problematic, was found in ci4-cms-erp ci4ms. Affected is an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. CVE summarizes: CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to properly sanitize user-controlled input within the Methods Management functionality when creating or managing application methods/pages. Multiple input fields accept attacker-controlled JavaScript payloads that are stored server-side without sanitization or output encoding. These stored values are later rendered directly into administrative interfaces and global navigation components without proper encoding, resulting in Stored DOM-Based Cross-Site Scripting (XSS). This issue has been patched in version 0.31.0.0. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-34558 since 03/30/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007. Upgrading to version 0.31.0.0 eliminates this vulnerability. Productinfo Type Content Management System Vendor ci4-cms-erp Name ci4ms Version 0.28.5.0 Website Product: https://github.com/ci4-cms-erp/ci4ms/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 6.2 VulDB Base Score: 3.5 VulDB Temp Score: 3.4 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.1 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: ci4ms 0.31.0.0 Timelineinfo 03/30/2026 CVE reserved 03/30/2026 +0 days VulDB entry created 03/31/2026 +0 days Advisory disclosed 03/31/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-v77r-xg3p-75g7 Status: Confirmed CVE: CVE-2026-34558 (🔒) GCVE (CVE): GCVE-0-2026-34558 GCVE (VulDB): GCVE-100-354288 Entryinfo Created: 03/31/2026 00:24 Changes: 03/31/2026 00:24 (65) Complete: 🔍 Cache ID: 99:373:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸