CVE-2026-30877 | baserproject basercms up to 5.2.2 User Account update os command injection (GHSA-m9g7-rgfc-jcm7)

VDB-354317 · CVE-2026-30877 · GHSA-M9G7-RGFC-JCM7 BASERPROJECT BASERCMS UP TO 5.2.2 USER ACCOUNT UPDATE OS COMMAND INJECTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.8 $0-$5k 1.64+ Summaryinfo A vulnerability was found in baserproject basercms up to 5.2.2. It has been classified as critical. The impacted element is the function update of the component User Account Handler. The manipulation leads to os command injection. This vulnerability is uniquely identified as CVE-2026-30877. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended. Detailsinfo A vulnerability was found in baserproject basercms up to 5.2.2 and classified as critical. This issue affects the function update of the component User Account Handler. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is: baserCMS is a website development framework. Prior to version 5.2.3, there is an OS command injection vulnerability in the update functionality. Due to this issue, an authenticated user with administrator privileges in baserCMS can execute arbitrary OS commands on the server with the privileges of the user account running baserCMS. This issue has been patched in version 5.2.3. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-30877 since 03/06/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are required for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue. Upgrading to version 5.2.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Productinfo Type Content Management System Vendor baserproject Name basercms Version 5.2.0 5.2.1 5.2.2 License open-source Website Product: https://github.com/baserproject/basercms/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.9 VulDB Meta Temp Score: 6.8 VulDB Base Score: 4.7 VulDB Temp Score: 4.5 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: Os command injection CWE: CWE-78 / CWE-77 / 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: basercms 5.2.3 Timelineinfo 03/06/2026 CVE reserved 03/31/2026 +24 days Advisory disclosed 03/31/2026 +0 days VulDB entry created 03/31/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-m9g7-rgfc-jcm7 Status: Confirmed CVE: CVE-2026-30877 (🔒) GCVE (CVE): GCVE-0-2026-30877 GCVE (VulDB): GCVE-100-354317 Entryinfo Created: 03/31/2026 08:14 Changes: 03/31/2026 08:14 (68) Complete: 🔍 Cache ID: 99:E75:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸