VulnerabilityModified
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).
MEDIUM 6.1EPSS 0.71%
Does this matter?
Lower severity and a low EPSS score (0.71%). Track it; it rarely justifies an emergency change on its own.
Description
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 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.71% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- urlchatbox/chat anywhere
- Source
- cve@mitre.org
References
- https://vul.su.ki/posts/Chat_Anywhere_2.4.0_XSS.md/Exploit, Third Party Advisory
- https://vul.su.ki/posts/Chat_Anywhere_2.4.0_XSS.md/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.