CVE-2020-8823
MEDIUMCVSS 6.1/10EPSS 1.84%
Last modified
CVE-2020-8823 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. htmlfile in lib/transport/htmlfile.js in SockJS before 0.3.0 is vulnerable to Reflected XSS via the /htmlfile c (aka callback) parameter.. EPSS estimates a 1.84% chance of exploitation in the next 30 days.
Description
htmlfile in lib/transport/htmlfile.js in SockJS before 0.3.0 is vulnerable to Reflected XSS via the /htmlfile c (aka callback) parameter.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sockjs Project | Sockjs | < 0.3.0 |
References
- https://github.com/theyiyibest/Reflected-XSS-on-SockJSExploit, Patch, Third Party Advisory
- https://github.com/theyiyibest/Reflected-XSS-on-SockJS/issues/1Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-SOCKJS-548397Third Party Advisory
- https://www.sockjs.orgVendor Advisory
- https://github.com/theyiyibest/Reflected-XSS-on-SockJSExploit, Patch, Third Party Advisory
- https://github.com/theyiyibest/Reflected-XSS-on-SockJS/issues/1Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-SOCKJS-548397Third Party Advisory
- https://www.sockjs.orgVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8823?
htmlfile in lib/transport/htmlfile.js in SockJS before 0.3.0 is vulnerable to Reflected XSS via the /htmlfile c (aka callback) parameter.
How severe is CVE-2020-8823?
CVE-2020-8823 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.84% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8823?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-8823?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST