Stored XSS via missing XSS safety check in Admin2 Pages API partial validation
Summary
| CVE | CVE-2026-11982 |
|---|---|
| State | PUBLISHED |
| Assigner | Fluid Attacks |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-18 17:16:28 UTC |
| Updated | 2026-06-18 18:16:18 UTC |
| Description | Grav 2.0.0-rc.9 with Admin2 2.0.0-rc.14 contains a stored cross-site scripting (XSS) vulnerability in the Admin2 Pages API save flow. |
Risk And Classification
Primary CVSS: v4.0 5.1 MEDIUM from [email protected]
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 5.1 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 5.1 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
LowUser Interaction
PassiveConfidentiality
LowIntegrity
LowAvailability
NoneSub Conf.
LowSub Integrity
LowSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Grav | Grav-plugin-api | affected 1.7.52 | Windows, MacOS, Linux |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/getgrav/grav/security/advisories/GHSA-5wc5-7v9g-f7v6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | github.com | |
| fluidattacks.com/es/advisories/luis | [email protected] | fluidattacks.com | |
| github.com/getgrav/grav-plugin-api | [email protected] | github.com | |
| github.com/getgrav/grav-plugin-api/commit/b8ca62eddb7dbea92075a78b1c0a50... | [email protected] | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Santiago Alvarez (en)
CNA: Fluid Attacks' AI SAST Scanner (en)
There are currently no legacy QID mappings associated with this CVE.