XSS in Jsuites
CVE-2021-41086
jsuites is an open source collection of common required javascript web components. In affected versions users are subject to cross site scripting (XSS) attacks via clipboard content. jsuites is vulnerable to DOM based XSS if the user can be tricked into copying _anything_ from a malicious and pasting it into the html editor. This is because a part of the clipboard content is directly written to `innerHTML` allowing for javascript injection and thus XSS. Users are advised to update to version 4.9.11 to resolve.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.009 (57.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Jsuites — versions < 4.9.11
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-41086?
- CVE-2021-41086 is a high-severity vulnerability in Jsuites, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2021-09-21.
- How severe is CVE-2021-41086?
- High severity. CVSS v3 base score is 8.7 out of 10.