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).
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
VendorProductVersion
urlchatboxchat_anywhere
2.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://vul.su.ki/posts/Chat_Anywhere_2.4.0_XSS.md/
https://vul.su.ki/posts/Chat_Anywhere_2.4.0_XSS.md/