Getgrav Grav CMS Admin Plugin up to 1.9.18 page title cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Getgrav Grav CMS Admin Plugin up to 1.9.18. The affected element is an unknown function. This manipulation of the argument page title causes cross site scripting. This vulnerability is handled as CVE-2020-36955. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability has been found in Getgrav Grav CMS Admin Plugin up to 1.9.18 and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation of the argument page title 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:

Grav CMS 1.6.30 with Admin Plugin 1.9.18 contains a persistent cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the page title field. Attackers can create a new page with a malicious script in the title, which will be executed when the page is viewed in the admin panel or on the site.

The weakness was released by Sagar Banwa as 49264. It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2020-36955 since 01/26/2026. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (49264) and EUVD (EUVD-2020-30847). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Getgrav

Name

• Grav CMS Admin Plugin

Version

• 1.9.0
• 1.9.1
• 1.9.2
• 1.9.3
• 1.9.4
• 1.9.5
• 1.9.6
• 1.9.7
• 1.9.8
• 1.9.9
• 1.9.10
• 1.9.11
• 1.9.12
• 1.9.13
• 1.9.14
• 1.9.15
• 1.9.16
• 1.9.17
• 1.9.18

CPE 2.3info

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CPE 2.2info

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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