Medium severity · published Jan 26, 2026
CVE-2020-36955
Grav CMS 1.6.30 Admin Plugin 1.9.18 - 'Page Title' Persistent Cross-Site Scripting
6.4
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GC
Grav CMS Admin Plugin · Getgrav
through 1.9.18 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36955
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36955
getgrav.org
https://getgrav.org/
www.exploit-db.com
https://www.exploit-db.com/exploits/49264
www.vulncheck.com
https://www.vulncheck.com/advisories/grav-cms-admin-plugin-page-title-persistent-cross-site-scripting