Medium severity · published Nov 19, 2021
CVE-2021-3920
grav-plugin-admin is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
5.4
CVSS
1.4%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Grav-plugin-admin · Getgrav
before 1.10.25 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3920
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3920
Patch
https://github.com/getgrav/grav-plugin-admin/commit/6463135bf046d8131189c163158cd5db8f7a9675
Exploit
https://huntr.dev/bounties/ab564760-90c6-4e1d-80c2-852f45034cd1
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