CVE-2026-23926 — Stored XSS vulnerability in Host navigator widget maintenance tooltip
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 …
Published: 2026-05-06 · CVSS: 7.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7