HOMEVULNERABILITIESCVE-2026-0718
MEDIUM

CVE-2026-0718

CWE-862Published: April 16, 2026· Updated: Apr 22, 2026

5.3
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:2.1th

Official Description

The 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.

NVD Source

Technical Analysis

CVE-2026-0718 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected Vendors & Products

Mentioned vendors (from description):
WordPress
CPE data not yet available in NVD for this CVE.

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (2)

→
https://plugins.trac.wordpress.org/changeset?old_path=/ultimate-post/tags/5.0.5/classes/Blocks.php&new_path=/ultimate-post/tags/5.0.6/classes/Blocks.php
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/c4b2cf3b-5d35-4ce6-9453-1538a6f7752f?source=cve

Quick Facts

CVE IDCVE-2026-0718
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-862
CISA KEVNo
EPSS (30d)0.01%
PublishedApr 16, 2026

Related CVEs (CWE-862)

CVE-2026-33712
10.0
CVE-2026-0092
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CVE-2026-34976
10.0
CVE-2026-2031
10.0
CVE-2025-30416
10.0
CVE-2026-46425
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-0718 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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