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Zdt1337DAY-ID-35888

HistoryMar 02, 2021 - 12:00 a.m.

Concrete5 8.5.4 Cross Site Scripting Vulnerability

2021-03-0200:00:00

0day.today

4.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

3.5 Low

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

JSON

# Exploit Title: Cross site scripting(XSS)
# Author: nu11secur1ty
# Vendor: https://www.concrete5.org/download
# Link: https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-3111
# CVE: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3111


[Exploit]
# Place
- Navigate to entries directory
concrete5-8.5.4/index.php/dashboard/express/entries/

# PoC
- Copy and paste the int_string in to Handle field
nu11secur1ty0000000111111100101010100100100100101010101

- fill in the remaining fields and save

#  0day.today [2021-09-14]  #

4.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

3.5 Low

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

JSON

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