CVE-2021-35440

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.72% Top 30%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/Smashing/smashing/pull/186 third party advisory patch
https://github.com/Smashing/smashing/pull/186#issuecomment-871727614 third party advisory patch
https://github.com/Smashing/smashing/blob/ad7325f159f89854ca4e7d94e7be9bee507b6d46/CHANGELOG.md third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2021-35440?
CVE-2021-35440 has been scored as a medium severity vulnerability.
How to fix CVE-2021-35440?
To fix CVE-2021-35440, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-35440 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-35440 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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