Medium severity · published Aug 18, 2026
CVE-2026-75107
Grav Form Plugin before 9.1.19 Stored XSS via Field Properties
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
Grav Form Plugin before 9.1.19 fails to escape field-definition properties including prepend, append, spacer text, section text, and select option labels in form templates. Attackers with form authoring privileges can inject arbitrary HTML and JavaScript that executes for all form visitors through unescaped |raw filters and unquoted attributes.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
grav · getgrav
before 9.1.19 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-75107
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-75107
github.com
https://github.com/getgrav/grav/security/advisories/GHSA-5jrr-wfgh-mhg9
www.vulncheck.com
https://www.vulncheck.com/advisories/grav-form-plugin-before-stored-xss-via-field-properties
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