An authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip… (CVE-2026-23926)
CVE-2026-23926 is a vulnerability where an authenticated administrator without superuser privileges can inject JavaScript code into a maintenance period tooltip. This malicious script executes when any user views the tooltip in the Host navigator widget, potentially allowing unauthorized actions. The vulnerability has a high severity with a CVSS score of 6.8. No specific affected software versions or patches are provided in the available data.
AI Analysis
Technical Summary
An authenticated (non-super) administrator can create a maintenance period containing a JavaScript payload that executes when any user opens the tooltip for that maintenance period in the Host navigator widget. This cross-site scripting (XSS) vulnerability (CWE-79) can lead to unauthorized actions depending on the user who views the tooltip. The CVSS 3.1 score is 6.8, indicating high impact on confidentiality, integrity, and availability. No patch or remediation information is provided, and no known exploits are reported in the wild.
Potential Impact
The vulnerability allows an authenticated administrator with limited privileges to execute arbitrary JavaScript in the context of other users who view the maintenance period tooltip. This can lead to unauthorized actions affecting confidentiality, integrity, and availability of the system depending on the victim user's privileges and actions triggered by the payload.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict administrator privileges carefully and monitor for suspicious activity related to maintenance period tooltips.
An authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip… (CVE-2026-23926)
Description
CVE-2026-23926 is a vulnerability where an authenticated administrator without superuser privileges can inject JavaScript code into a maintenance period tooltip. This malicious script executes when any user views the tooltip in the Host navigator widget, potentially allowing unauthorized actions. The vulnerability has a high severity with a CVSS score of 6.8. No specific affected software versions or patches are provided in the available data.
CVSS v3.1
Score 6.8medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An authenticated (non-super) administrator can create a maintenance period containing a JavaScript payload that executes when any user opens the tooltip for that maintenance period in the Host navigator widget. This cross-site scripting (XSS) vulnerability (CWE-79) can lead to unauthorized actions depending on the user who views the tooltip. The CVSS 3.1 score is 6.8, indicating high impact on confidentiality, integrity, and availability. No patch or remediation information is provided, and no known exploits are reported in the wild.
Potential Impact
The vulnerability allows an authenticated administrator with limited privileges to execute arbitrary JavaScript in the context of other users who view the maintenance period tooltip. This can lead to unauthorized actions affecting confidentiality, integrity, and availability of the system depending on the victim user's privileges and actions triggered by the payload.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict administrator privileges carefully and monitor for suspicious activity related to maintenance period tooltips.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-v7c2-5wfc-rfff
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-23926"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6aade52a55bf5e2cf5edc1d6
Added to database: 09/19/2026, 01:28:10 UTC
Last enriched: 09/19/2026, 01:55:31 UTC
Last updated: 09/19/2026, 03:08:46 UTC
Views: 4
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