CVE-2026-8833
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
XSS in urls
Improper neutralization of HTML-encoded characters in the URL validation function in Checkmk <2.5.0p5, <2.4.0p31, <2.3.0p48, and all 2.2.0 versions allows an authenticated user to bypass URL validation and inject malicious URLs such as javascript: URIs, resulting in cross-site scripting when another user interacts with the crafted link.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Checkmk
- Vendor
- Checkmk GmbH
- Product
- Checkmk
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2.5.0 | affected | semver | 2.5.0p5 | Unavailable | None listed |
| 2.4.0 | affected | semver | 2.4.0p31 | Unavailable | None listed |
| 2.3.0 | affected | semver | 2.3.0p48 | Unavailable | None listed |
| 2.2.0 | affected | semver | Unavailable | Unavailable | None listed |