XSS in Smashing Project

CVE-2021-35440

Smashing 1.3.4 is vulnerable to Cross Site Scripting (XSS). A URL for a widget can be crafted and used to execute JavaScript on the victim's computer. The JavaScript code can then steal data available in the session/cookies depending on the user environment (e.g. if re-using internal URL's for deploying, or cookies that are very permissive) private information may be retrieved by the attacker.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.010 (59.7th 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)

References

Frequently asked questions

What is CVE-2021-35440?
CVE-2021-35440 is a medium-severity vulnerability in Smashing Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-07-06.
How severe is CVE-2021-35440?
Medium severity. CVSS v3 base score is 6.1 out of 10.