Vulnerability CVE-2021-25983
Published: 2021-11-16   Modified: 2021-11-17

Description:
In Factor (App Framework & Headless CMS) forum plugin, versions v1.3.8 to v1.8.30, are vulnerable to reflected Cross-Site Scripting (XSS) at the ??tags? and ??category? parameters in the URL. An unauthenticated attacker can execute malicious JavaScript code and steal the session cookies.

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
Darwin -> Factor 

 References:
https://github.com/FactorJS/factor/blob/v1.8.30/@plugins/plugin-forum/topic-list.vue#L141-L143
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25983
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