CVE-2026-23926 | THREATINT

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.

PUBLISHED Reserved 2026-01-19 | Published 2026-05-06 | Updated 2026-05-07 | Assigner Zabbix

HIGH: 7.3CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status

unknown

7.0.0 (git)

affected

7.4.0 (git)

affected

Credits

Zabbix wants to thank Daniel Santos (@bananabr) for submitting this report on the HackerOne bug bounty platform. reporter

References

support.zabbix.com/browse/ZBX-27758

cve.org (CVE-2026-23926)

nvd.nist.gov (CVE-2026-23926)

Download JSON