CVE-2023-6645

MEDIUM 6.4

Post Grid Combo – 36+ Gutenberg Blocks <= 2.2.64 - Authenticated (Contributor+) Cross-Site Scripting

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

The Post Grid Combo – 36+ Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom JS parameter in all versions up to, and including, 2.2.64 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE	CWE-79
Vendor	pickplugins
Product	post grid
Published	Jan 11, 2024
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

pickplugins / Post Grid

0 ≤ 2.2.64

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/ab777672-6eef-4078-932d-24bb784107fa?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3010342%40post-grid%2Ftrunk&old=2999466%40post-grid%2Ftrunk&sfp_email=&sfph_mail=

Credits

Rafshanzani Suhada