What is CVE-2023-6645?

CVE-2023-6645 is a medium-severity vulnerability in Pickplugins Post Grid, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-01-11.

How severe is CVE-2023-6645?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2023-6645 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Pickplugins Post Grid

CVE-2023-6645

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (27.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Pickplugins Post Grid — versions 0
Pickplugins Post_grid_combo

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Product)

Frequently asked questions

What is CVE-2023-6645?: CVE-2023-6645 is a medium-severity vulnerability in Pickplugins Post Grid, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-01-11.
How severe is CVE-2023-6645?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2023-6645 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.