CVE-2026-75828
Grav before 2.0.15 Stored XSS via detectXss() Quote Bypass
CVSS Score
8.7
EPSS Score
0.0%
EPSS Percentile
0th
Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the detectXss() function where unpaired quotes in unquoted attribute values bypass event-handler detection. Authenticated editors can inject event handlers like onerror= that pass validation and execute in visitor browsers when page content is rendered.
| CWE | CWE-79 |
| Vendor | getgrav |
| Product | grav |
| Published | Aug 18, 2026 |
| Last Updated | Aug 18, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
getgrav / grav
0 < 2.0.15
References
Credits
🔍 arpitjain099