WP Quick FrontEnd Editor <= 5.5 - Authenticated (Subscriber+) Content Injection

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Summary

CVECVE-2021-4383
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-06-07 02:15:15 UTC
Updated2026-04-08 19:17:43 UTC
DescriptionThe WP Quick FrontEnd Editor plugin for WordPress is vulnerable to page content injection in versions up to, and including, 5.5. This is due to missing capability checks in the plugin's page-editing functionality. This makes it possible for low-authenticated attackers, such as subscribers, to edit/create any page or post on the blog.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

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

EPSS: 0.001430000 probability, percentile 0.346550000 (date 2026-04-09)

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
3.1CNADECLARED8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Webdevocean Wp Quick Frontend Editor All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Labibahmed42 WP Quick FrontEnd Editor WordPress Plugin affected 5.5 semver Not specified

References

ReferenceSourceLinkTags
Multiple vulnerabilities in WordPress WP Quick FrontEnd Editor plugin (unpatched). – NinTechNet af854a3a-2127-422b-91ae-364da2661108 blog.nintechnet.com Exploit
WP Quick FrontEnd Editor <= 5.5 - Authenticated (Subscriber+) Content Injection af854a3a-2127-422b-91ae-364da2661108 www.wordfence.com Third Party Advisory
WP Quick FrontEnd Editor – WordPress Plugin – 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
CNA2021-01-12T00:00:00.000ZDisclosed
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