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Status published
Medium
CVE-2021-3904
Cross-site Scripting (XSS) - Stored in getgrav/grav
Vulnerability Description
grav is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from getgrav
View All →CVE-2025-66312
Grav Admin Plugin vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/accounts/groups/[group]` parameter `data[readableName]`
Medium
6.2
CVE-2025-66311
Grav vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/pages/[page]` in Multiples parameters
Medium
6.2
CVE-2025-66310
Grav vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/pages/[page]` parameter `data[header][template]` in Advanced Tab
Medium
6.2
CVE-2025-66309
Grav vulnerable to Cross-Site Scripting (XSS) Reflected endpoint /admin/pages/[page], parameter data[header][content][items], located in the "Blog Config" tab
Medium
6.2
CVE-2025-66308
Grav Admin Plugin vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/config/site` parameter `data[taxonomies]`
Medium
6.8
Affected Vendor
getgrav
View all reports →Affected Software
getgrav/grav
Vulnerable Versions:
unspecified
Timeline
Official Publish:
October 27th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L