Vulnerability CVE-2021-40509
Published: 2021-09-04

Description:
ViewCommon.java in JForum2 2.7.0 allows XSS via a user signature.

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
Jforum -> Jforum 

 References:
https://lists.openwall.net/full-disclosure/2021/09/03/7
https://sourceforge.net/p/jforum2/code/934/
http://seclists.org/fulldisclosure/2021/Sep/13
http://packetstormsecurity.com/files/164045/jforum-2.7.0-Cross-Site-Scripting.html
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