Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX <= 4.1.1 - Authenticated (Author+) Stored Cross-Site Scripting

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Summary

CVECVE-2024-5223
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-30 04:15:10 UTC
Updated2026-04-08 18:22:01 UTC
DescriptionThe Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's file uploading feature in all versions up to, and including, 4.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Risk And Classification

Primary CVSS: v3.1 6.4 MEDIUM from [email protected]

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

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
3.1CNADECLARED6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Wpxpo Post Grid Gutenberg Blocks For News Magazines Blog Websites PostX affected 4.1.1 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/changeset/3093051/ultimate-post/trunk/addons/custom_font/Cust... af854a3a-2127-422b-91ae-364da2661108 plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/7234d4b9-a575-428a-9d08-2dc62... af854a3a-2127-422b-91ae-364da2661108 www.wordfence.com
plugins.trac.wordpress.org/browser/ultimate-post/tags/4.0.4/addons/custom_font/Custom_Fo... af854a3a-2127-422b-91ae-364da2661108 plugins.trac.wordpress.org
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: wesley (en)

Additional Advisory Data

SourceTimeEvent
CNA2024-05-29T14:39:42.000ZDisclosed
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