How severe is CVE-2023-0441?

CVE-2023-0441 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-0441 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0441?

CVE-2023-0441 affects Simplygallery Simply Gallery Blocks With Lightbox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0441?

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-2023-0441 published?

CVE-2023-0441 was published on 2023-03-27 and last updated on 2026-06-17.

CVE-2023-0441

CVE-2023-0441 is a high-severity vulnerability in Simplygallery Simply Gallery Blocks With Lightbox with a CVSS 3.x base score of 8.1. 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 8.1)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Simplygallery Simply Gallery Blocks With Lightbox
Published: 2023-03-27
Last modified: 2026-06-17

Description

The Gallery Blocks with Lightbox WordPress plugin before 3.0.8 has an AJAX endpoint that can be accessed by any authenticated users, such as subscriber. The callback function allows numerous actions, the most serious one being reading and updating the WordPress options which could be used to enable registration with a default administrator user role.

Frequently asked questions

What is CVE-2023-0441?: The Gallery Blocks with Lightbox WordPress plugin before 3.0.8 has an AJAX endpoint that can be accessed by any authenticated users, such as subscriber. The callback function allows numerous actions, the most serious one being reading and updating the WordPress options which could be used to enable registration with a default administrator user role.
How severe is CVE-2023-0441?: CVE-2023-0441 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-0441 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0441?: CVE-2023-0441 affects Simplygallery Simply Gallery Blocks With Lightbox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0441?: 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-2023-0441 published?: CVE-2023-0441 was published on 2023-03-27 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/11703e49-c042-4eb6-9a5f-6e006e3725a0

Affected products (1)

cpe:2.3:a:simplygallery:simply_gallery_blocks_with_lightbox:*:*:*:*:*:wordpress:*:*

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