Vulnerability CVE-2020-22839
Published: 2021-02-09

Description:
Reflected cross-site scripting vulnerability (XSS) in the evoadm.php file in b2evolution cms version 6.11.6-stable allows remote attackers to inject arbitrary webscript or HTML code via the tab3 parameter.

See advisories in our WLB2 database:
Topic
Author
Date
Low
b2evolution CMS 6.11.6 Cross Site Scripting
Nakul Ratti
11.02.2021

Type:

CWE-79

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

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
B2evolution -> B2evolution cms 

 References:
http://packetstormsecurity.com/files/161363/b2evolution-CMS-6.11.6-Cross-Site-Scripting.html
https://sohambakore.medium.com/b2evolution-cms-reflected-xss-in-tab-type-parameter-in-evoadm-php-38886216cdd3
https://www.exploit-db.com/exploits/49555
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