CVE-2021-35440

MediumCVSS 6.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/Smashing/smashing/blob/ad7325f159f89854ca4e7d94e7be9bee507b6d46/CHANGELOG.mdRelease Notes, Third Party Advisory
https://github.com/Smashing/smashing/pull/186Patch, Third Party Advisory
https://github.com/Smashing/smashing/pull/186#issuecomment-871727614Patch, Third Party Advisory
https://github.com/Smashing/smashing/blob/ad7325f159f89854ca4e7d94e7be9bee507b6d46/CHANGELOG.mdRelease Notes, Third Party Advisory
https://github.com/Smashing/smashing/pull/186Patch, Third Party Advisory
https://github.com/Smashing/smashing/pull/186#issuecomment-871727614Patch, Third Party Advisory

Timeline

Published: Jul 6, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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