XSS in Getgist Chatbox

CVE-2020-35852

Chatbox is affected by cross-site scripting (XSS). An attacker has to upload any XSS payload with SVG, XML file in Chatbox. There is no restriction on file upload in Chatbox which leads to stored XSS.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.011 (62.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-35852?
CVE-2020-35852 is a medium-severity vulnerability in Getgist Chatbox, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-02-23.
How severe is CVE-2020-35852?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-35852 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.