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Vulnerability Details :

CVE-2025-66301

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-01 Dec, 2025 | 21:30
Updated At-02 Dec, 2025 | 16:26
Rejected At-
Credits

Grav ihas Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/{page_name}, an editor with only permissions to change basic content on the form is now able to change the functioning of the form through modifying the content of the data[_json][header][form] which is the YAML frontmatter which includes the process section which dictates what happens after a user submits the form which include some important actions that could lead to further vulnerabilities. This vulnerability is fixed in 1.8.0-beta.27.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:01 Dec, 2025 | 21:30
Updated At:02 Dec, 2025 | 16:26
Rejected At:
â–¼CVE Numbering Authority (CNA)
Grav ihas Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/{page_name}, an editor with only permissions to change basic content on the form is now able to change the functioning of the form through modifying the content of the data[_json][header][form] which is the YAML frontmatter which includes the process section which dictates what happens after a user submits the form which include some important actions that could lead to further vulnerabilities. This vulnerability is fixed in 1.8.0-beta.27.

Affected Products
Vendor
getgrav
Product
grav
Versions
Affected
  • < 1.8.0-beta.27
Problem Types
TypeCWE IDDescription
CWECWE-285CWE-285: Improper Authorization
Type: CWE
CWE ID: CWE-285
Description: CWE-285: Improper Authorization
Metrics
VersionBase scoreBase severityVector
4.08.6HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh
x_refsource_CONFIRM
Hyperlink: https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh
Resource:
x_refsource_CONFIRM
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh
exploit
Hyperlink: https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh
Resource:
exploit
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:01 Dec, 2025 | 22:15
Updated At:03 Dec, 2025 | 15:50

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/{page_name}, an editor with only permissions to change basic content on the form is now able to change the functioning of the form through modifying the content of the data[_json][header][form] which is the YAML frontmatter which includes the process section which dictates what happens after a user submits the form which include some important actions that could lead to further vulnerabilities. This vulnerability is fixed in 1.8.0-beta.27.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.6HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/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
Primary3.19.6CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Type: Secondary
Version: 4.0
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/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
Type: Primary
Version: 3.1
Base score: 9.6
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CPE Matches

getgrav
getgrav
>>grav>>Versions before 1.8.0(exclusive)
cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta1:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta10:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta11:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta12:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta13:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta14:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta15:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta16:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta17:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta18:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta19:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta2:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta20:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta21:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta22:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta23:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta24:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta25:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta26:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta3:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta4:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta5:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta6:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta7:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta8:*:*:*:*:*:*
getgrav
getgrav
>>grav>>1.8.0
cpe:2.3:a:getgrav:grav:1.8.0:beta9:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-285Secondarysecurity-advisories@github.com
CWE ID: CWE-285
Type: Secondary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjhsecurity-advisories@github.com
Exploit
Third Party Advisory
https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit
Third Party Advisory
Hyperlink: https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh
Source: security-advisories@github.com
Resource:
Exploit
Third Party Advisory
Hyperlink: https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
Exploit
Third Party Advisory

Change History

0
Information is not available yet

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Action-Not Available
Vendor-pig4cloudn/a
Product-pign/a
CWE ID-CWE-285
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Details not found