CVE-2020-7642
MEDIUM
5.4
CVSS Score
Published: April 22, 2020 at 03:13 PM UTC
Updated: June 17, 2026 at 03:25 AM UTC
1 product affected across 1 vendorLazysizes
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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.9%
Description
lazysizes through 5.2.0 allows execution of malicious JavaScript. The following attributes are not sanitized by the video-embed plugin: data-vimeo, data-vimeoparams, data-youtube and data-ytparams which can be abused to inject malicious JavaScript.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 5.2.0All versions including 5.2.0
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/aFarkas/lazysizes/commit/3720ab8262552d4e063a38d8492f9490a231fd48x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://snyk.io/vuln/SNYK-JS-LAZYSIZES-567144CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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