Vulnerability · Published Nov 16, 2021 · Assigned by Mend

CVE-2021-25983FactorJS - Reflected Cross-Site Scripting (XSS) in Tags and Categories Functionality

Medium 6.1

In plain English

A medium-severity cross-site scripting in Factor from FactorJS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.7%top 46.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
FactorJS	Factor	1.3.8 – before unspecifiedunspecified – through 1.8.30

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

https://github.com/FactorJS/factor/blob/v1.8.30/%40plugins/plugin-forum/topic-list.vue#L141-L143 x_refsource_MISC
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25983 x_refsource_MISC