Vulnerability Details : CVE-2018-20524
The Chat Anywhere extension 2.4.0 for Chrome allows XSS via crafted use of <<a> in a message, because a danmuWrapper DIV element in chatbox-only\danmu.js is outside the scope of a Content Security Policy (CSP).
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2018-20524
- cpe:2.3:a:urlchatbox:chat_anywhere:2.4.0:*:*:*:*:chrome:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20524
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 38 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20524
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
6.1
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2018-20524
-
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: nvd@nist.gov (Primary)
References for CVE-2018-20524
-
https://vul.su.ki/posts/Chat_Anywhere_2.4.0_XSS.md/
Exploit;Third Party Advisory
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