How severe is CVE-2023-45646?

CVE-2023-45646 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-45646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45646?

CVE-2023-45646 affects Henryholtgeerts Pdf Block. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-45646?

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

When was CVE-2023-45646 published?

CVE-2023-45646 was published on 2023-10-25 and last updated on 2026-06-17.

CVE-2023-45646

CVE-2023-45646 is a medium-severity vulnerability in Henryholtgeerts Pdf Block with a CVSS 3.x base score of 6.5. 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 6.5)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Henryholtgeerts Pdf Block
Published: 2023-10-25
Last modified: 2026-06-17

Description

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Henryholtgeerts PDF Block plugin <= 1.1.0 versions.

Frequently asked questions

What is CVE-2023-45646?: Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Henryholtgeerts PDF Block plugin <= 1.1.0 versions.
How severe is CVE-2023-45646?: CVE-2023-45646 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-45646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45646?: CVE-2023-45646 affects Henryholtgeerts Pdf Block. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45646?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-45646 published?: CVE-2023-45646 was published on 2023-10-25 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/pdf-block/wordpress-pdf-block-plugin-1-1-0-cross-site-scripting-xss-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:henryholtgeerts:pdf_block:*:*:*:*:*:wordpress:*:*

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