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Elementor Website Builder <= 3.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via header_size
| CVE | CVE-2021-24202 |
|---|---|
| CVSS | 6.4 (Medium) |
| Publicly Published | March 17, 2021 |
| Last Updated | January 22, 2024 |
| Researcher |
Ram
- Wordfence
|
Description
In the Elementor Website Builder WordPress plugin before 3.1.4, the heading widget (includes/widgets/heading.php) accepts a ‘header_size’ parameter. Although the element control lists a fixed set of possible html tags, it is possible for a user with Contributor or above permissions to send a modified ‘save_builder’ request with this parameter set to ‘script’ and combined with a ‘title’ parameter containing JavaScript, which will then be executed when the saved page is viewed or previewed.
Wordfence blocked 605 attacks targeting this vulnerability in the past 24 hours.
References
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Vulnerability Details for Elementor Website Builder – More than Just a Page Builder
| Software Type | Plugin |
|---|---|
| Software Slug | elementor (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 3.1.4, or a newer patched version |
| Affected Version |
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| Patched Version |
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