Page Builder: KingComposer < 2.9.4 - Arbitrary File Upload

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2020-36701
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-06-07 02:15:11 UTC
Updated2026-04-08 18:17:06 UTC
DescriptionThe Page Builder: KingComposer plugin for WordPress is vulnerable to Arbitrary File Uploads in versions up to, and including, 2.9.3 via the 'process_bulk_action' function in the 'kingcomposer/includes/kc.extensions.php' file. This makes it possible for authenticated users with author level permissions and above to upload arbitrary files onto the server which can be used to execute code on the server.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-434 | CWE-434 CWE-434 Unrestricted Upload of File with Dangerous Type

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application King-theme Page Builder King Composer All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Kingthemes Page Builder KingComposer Free Drag And Drop Page Builder By King-Theme affected 2.9.3 semver Not specified

References

ReferenceSourceLinkTags
Page Builder: KingComposer < 2.9.4 - Arbitrary File Upload af854a3a-2127-422b-91ae-364da2661108 www.wordfence.com Third Party Advisory
WordPress KingComposer Page Builder fixed multiple critical vulnerabilities. – NinTechNet af854a3a-2127-422b-91ae-364da2661108 blog.nintechnet.com Exploit
403 Forbidden af854a3a-2127-422b-91ae-364da2661108 plugins.trac.wordpress.org Patch
Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme – WordPress plugin | WordPress.org af854a3a-2127-422b-91ae-364da2661108 wordpress.org Product
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jerome Bruandet (en)

Additional Advisory Data

SourceTimeEvent
CNA2020-06-15T00:00:00.000ZDisclosed
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