Vulnerability CVE-2021-3111
Published: 2021-01-08

Description:
The Express Entries Dashboard in Concrete5 8.5.4 allows stored XSS via the name field of a new data object at an index.php/dashboard/express/entries/view/ URI.

See advisories in our WLB2 database:
Topic
Author
Date
Low
Concrete5 8.5.4 Cross Site Scripting
nu11secur1ty
02.03.2021

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Concrete5 -> Concrete5 

 References:
https://documentation.concrete5.org/developers/introduction/version-history
https://github.com/Quadron-Research-Lab/CVE/blob/main/CVE-2021-3111.pdf
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