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).

CVSS v3.0

6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

0.71% chance of exploitation in the next 30 days, 51th percentile

Published

2018-12-27

Updated

2024-09-17

Proof-of-concept exploits (1)

• https://vul.su.ki/posts/Chat_Anywhere_2.4.0_XSS.md/

References

• CVE Record
• NVD entry

Related

• CVE-2018-20523
• CVE-2018-20525
• CVE-2018-20512
• CVE-2018-20526
• CVE-2018-20503
• CVE-2018-20535