How severe is CVE-2023-6645?

CVE-2023-6645 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-6645 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6645?

CVE-2023-6645 affects Pickplugins Post Grid Combo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6645?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-6645 have an EU (EUVD) identifier?

Yes. CVE-2023-6645 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58868.

When was CVE-2023-6645 published?

CVE-2023-6645 was published on 2024-01-11 and last updated on 2026-06-17.

CVE-2023-6645

CVE-2023-6645 is a medium-severity vulnerability in Pickplugins Post Grid Combo with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-58868
Weakness: CWE-79
Affected product: Pickplugins Post Grid Combo
Published: 2024-01-11
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-6645?: CVE-2023-6645 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-6645 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6645?: CVE-2023-6645 affects Pickplugins Post Grid Combo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6645?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-6645 have an EU (EUVD) identifier?: Yes. CVE-2023-6645 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58868.
When was CVE-2023-6645 published?: CVE-2023-6645 was published on 2024-01-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pickplugins:post_grid_combo:*:*:*:*:*:wordpress:*:*

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