grav up to 1.10.x Admin Plugin /admin/pages/[page cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in grav up to 1.10.x. Impacted is an unknown function of the file /admin/pages/[page of the component Admin Plugin. This manipulation causes cross site scripting. This vulnerability appears as CVE-2025-66309. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in grav up to 1.10.x. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /admin/pages/[page of the component Admin Plugin. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

This admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.11.0-beta.1, a Reflected Cross-Site Scripting (XSS) vulnerability was identified in the /admin/pages/[page] endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the data[header][content][items] parameter. This vulnerability is fixed in 1.11.0-beta.1.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-66309 since 11/27/2025. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 1.11.0-beta.1 eliminates this vulnerability. Applying the patch 99f653296504f1d6408510dd2f6f20a45a26f9b0 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-200101). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: grav 1.11.0-beta.1
Patch: 99f653296504f1d6408510dd2f6f20a45a26f9b0

Timelineinfo

11/27/2025 CVE reserved
12/01/2025 +4 days Advisory disclosed
12/01/2025 +0 days VulDB entry created
12/04/2025 +3 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-65mj-f7p4-wggq
Status: Confirmed

CVE: CVE-2025-66309 (🔒)
GCVE (CVE): GCVE-0-2025-66309
GCVE (VulDB): GCVE-100-333943
EUVD: 🔒

Entryinfo

Created: 12/01/2025 23:34
Updated: 12/04/2025 07:50
Changes: 12/01/2025 23:34 (70), 12/02/2025 18:31 (1), 12/04/2025 07:50 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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