CVE-2026-4918 | IBM Guardium Data Protection 12.1.0 Web UI cross site scripting

VDB-359102 · CVE-2026-4918 · GCVE-0-2026-4918 IBM GUARDIUM DATA PROTECTION 12.1.0 WEB UI CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.9 $0-$5k 1.18+ Summaryinfo A vulnerability, which was classified as problematic, was found in IBM Guardium Data Protection 12.1.0. The impacted element is an unknown function of the component Web UI. Such manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2026-4918. The attack can be launched remotely. No exploit exists. You should upgrade the affected component. Detailsinfo A vulnerability, which was classified as problematic, has been found in IBM Guardium Data Protection 12.1.0. Affected by this issue is some unknown functionality of the component Web UI. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes: IBM Guardium Data Protection 12.1 is vulnerable to stored cross-site scripting. This vulnerability allows an administrative user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. The advisory is available at ibm.com. This vulnerability is handled as CVE-2026-4918 since 03/26/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project. Upgrading eliminates this vulnerability. Productinfo Vendor IBM Name Guardium Data Protection Version 12.1.0 License commercial Website Vendor: https://www.ibm.com/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 3.9 VulDB Meta Temp Score: 3.9 VulDB Base Score: 2.4 VulDB Temp Score: 2.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.5 CNA Vector (ibm): 🔒 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: 🔒 Timelineinfo 03/26/2026 CVE reserved 04/23/2026 +27 days Advisory disclosed 04/23/2026 +0 days VulDB entry created 04/23/2026 +0 days VulDB entry last update Sourcesinfo Vendor: ibm.com Advisory: ibm.com Status: Confirmed CVE: CVE-2026-4918 (🔒) GCVE (CVE): GCVE-0-2026-4918 GCVE (VulDB): GCVE-100-359102 Entryinfo Created: 04/23/2026 07:15 Changes: 04/23/2026 07:15 (65) Complete: 🔍 Cache ID: 99:6B1:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸