CVE-2026-28297 | SolarWinds Observability Self-Hosted 2025.2/2025.2.1 cross site scripting

VDB-353637 · CVE-2026-28297 · EUVD-2026-16183 SOLARWINDS OBSERVABILITY SELF-HOSTED 2025.2/2025.2.1 CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.0 $0-$5k 3.52+ Summaryinfo A vulnerability marked as problematic has been reported in SolarWinds Observability Self-Hosted. This impacts an unknown function. Performing a manipulation results in cross site scripting. This vulnerability is reported as CVE-2026-28297. The attacker must have access to the local network to execute the attack. No exploit exists. It is suggested to upgrade the affected component. Detailsinfo A vulnerability classified as problematic has been found in SolarWinds Observability Self-Hosted. This affects 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. The summary by CVE is: SolarWinds Observability Self-Hosted was found to be affected by a stored cross-site scripting vulnerability, which when exploited, can lead to unintended script execution. The weakness was disclosed by Steven Karschnia. The advisory is shared at solarwinds.com. This vulnerability is uniquely identified as CVE-2026-28297 since 02/26/2026. The exploitability is told to be easy. The attack needs to be initiated within the local network. Additional levels of successful authentication are required for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue. Upgrading to version 2026.1.1 eliminates this vulnerability. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-16183). Productinfo Vendor SolarWinds Name Observability Self-Hosted Version 2025.2 2025.2.1 License commercial Website Vendor: https://www.solarwinds.com/ CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.1 VulDB Meta Temp Score: 4.0 VulDB Base Score: 2.1 VulDB Temp Score: 2.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.1 CNA Vector (SolarWinds): 🔒 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: Partially 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: Observability Self-Hosted 2026.1.1 Timelineinfo 02/26/2026 CVE reserved 03/26/2026 +28 days Advisory disclosed 03/26/2026 +0 days VulDB entry created 03/26/2026 +0 days VulDB entry last update Sourcesinfo Vendor: solarwinds.com Advisory: solarwinds.com Researcher: Steven Karschnia Status: Confirmed CVE: CVE-2026-28297 (🔒) GCVE (CVE): GCVE-0-2026-28297 GCVE (VulDB): GCVE-100-353637 EUVD: 🔒 Entryinfo Created: 03/26/2026 15:32 Updated: 03/26/2026 16:35 Changes: 03/26/2026 15:32 (30), 03/26/2026 15:33 (34), 03/26/2026 16:35 (1) Complete: 🔍 Cache ID: 99:C57:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸