Vanilla Forum 2.6.3 Cross Site Scripting

2020.02.11

Credit: Sayak Naskar

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2020-8825

CWE: CWE-79

CVSS Base Score: 3.5/10

Impact Subscore: 2.9/10

Exploitability Subscore: 6.8/10

Exploit range: Remote

Attack complexity: Medium

Authentication: Single time

Confidentiality impact: None

Integrity impact: Partial

Availability impact: None

# CVE-2020-8825
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8825
## Vendor:
VanillaForum
## Description:
It is possible to store xss payload in index.php?p=/dashboard/settings/branding. An attacker will store the xss payload on this section and when the user will visit the page then attacker will get all the sensitive information of the user.
## Environment:
Version: 2.6.3
OS: Windows 10, Linux
PHP: 7
URL: index.php?p=/dashboard/settings/branding
## Proof of Concept:
https://github.com/hacky1997/CVE-2020-8825/blob/master/vanilla.png
## Assigned by:
[Sayak Naskar](https://github.com/hacky1997/)

See this note in RAW Version

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