CVE-2026-23926Stored XSS vulnerability in Host navigator widget maintenance tooltip
Updated under an hour ago ()
Does this affect you?
It affects Zabbix. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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
- 7.3 HIGH (v4.0, CNA)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
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Zabbix
- NVD analysis
- Analyzed
- Record last updated
- May 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Zabbix Zabbix zabbix:zabbix (from the name) | from 7.0.0 through 7.0.23; fixed at 7.0.24; from 7.4.0 through 7.4.7; fixed at 7.4.8 | CNA record |
zabbix zabbix zabbix:zabbix | from 7.0.0 before 7.0.24; from 7.4.0 before 7.4.8 | NVD |
References
- https://support.zabbix.com/browse/ZBX-27758vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.