Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX <= 5.0.5 - Missing Authorization to Limited Post Meta Modification

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-0718
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-16 08:16:27 UTC
Updated2026-04-16 08:16:27 UTC
DescriptionThe Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the ultp_shareCount_callback() function in all versions up to, and including, 5.0.5. This makes it possible for unauthenticated attackers to modify the share_count post meta for any post, including private or draft posts.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

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

EPSS: 0.000130000 probability, percentile 0.022100000 (date 2026-04-21)

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Wpxpo Post Grid Gutenberg Blocks For News Magazines Blog Websites PostX affected 5.0.5 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/c4b2cf3b-5d35-4ce6-9453-1538a... [email protected] www.wordfence.com
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: Mohammad Amin Hajian (en)

Additional Advisory Data

SourceTimeEvent
CNA2025-12-24T00:00:00.000ZDiscovered
CNA2026-01-08T12:27:39.000ZVendor Notified
CNA2026-04-15T18:53:44.000ZDisclosed
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