How severe is CVE-2023-0766?

CVE-2023-0766 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-0766 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0766?

CVE-2023-0766 affects Newsletter Popup Project Newsletter Popup. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0766?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-0766 published?

CVE-2023-0766 was published on 2023-05-30 and last updated on 2026-06-17.

CVE-2023-0766

CVE-2023-0766 is a high-severity vulnerability in Newsletter Popup Project Newsletter Popup with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Newsletter Popup Project Newsletter Popup
Published: 2023-05-30
Last modified: 2026-06-17

Description

The Newsletter Popup WordPress plugin through 1.2 does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions via CSRF attacks as the wp_newsletter_show_localrecord page is not protected with a nonce.

Frequently asked questions

What is CVE-2023-0766?: The Newsletter Popup WordPress plugin through 1.2 does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions via CSRF attacks as the wp_newsletter_show_localrecord page is not protected with a nonce.
How severe is CVE-2023-0766?: CVE-2023-0766 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-0766 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0766?: CVE-2023-0766 affects Newsletter Popup Project Newsletter Popup. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0766?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-0766 published?: CVE-2023-0766 was published on 2023-05-30 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/90a1976c-0348-41ea-90b4-f7a5d9306c88

Affected products (1)

cpe:2.3:a:newsletter_popup_project:newsletter_popup:*:*:*:*:*:wordpress:*:*

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