CVE-2026-23926

HIGH EPSS 20.2%

Published May 6, 20261mo ago · Modified Jun 17, 20262w ago

7.3 CVSS 4.0

High

Published May 6, 2026 1mo ago

Last Modified Jun 17, 2026 2w ago

Description

An authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip for that maintenance period in the Host navigator widget. This can allow the attacker to perform unauthorized actions depending on which user opens the tooltip.

CVSS Details

Base Score

7.3

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required High

User Interaction P

Scope X

Threat Intelligence

EPSS Exploit Probability

20.2% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 1

support.zabbix.com https://support.zabbix.com/browse/ZBX-27758

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.