Vulnerability Details : CVE-2021-33853
Potential exploit
A Cross-Site Scripting (XSS) attack can cause arbitrary code (javascript) to run in a user’s browser while the browser is connected to a trusted website. As the vehicle for the attack, the application targets the users and not the application itself. Additionally, the XSS payload is executed when the user attempts to access any page of the CRM.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-33853
- cpe:2.3:a:x2engine:x2crm:8.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33853
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33853
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-33853
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- disclose@cybersecurityworks.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-33853
-
https://cybersecurityworks.com/zerodays/cve-2021-33853-stored-cross-site-scripting-in-x2crm.html
CSW Zero Days | Stored Cross-Site Scripting in X2CRMExploit;Third Party Advisory
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