How severe is CVE-2023-2561?

CVE-2023-2561 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-2561 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2561?

CVE-2023-2561 affects Gallery-metabox Project Gallery-metabox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2561?

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

When was CVE-2023-2561 published?

CVE-2023-2561 was published on 2023-07-12 and last updated on 2026-06-17.

CVE-2023-2561

CVE-2023-2561 is a medium-severity vulnerability in Gallery-metabox Project Gallery-metabox with a CVSS 3.x base score of 4.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Gallery-metabox Project Gallery-metabox
Published: 2023-07-12
Last modified: 2026-06-17

Description

The Gallery Metabox for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the gallery_remove function in versions up to, and including, 1.5. This makes it possible for subscriber-level attackers to modify galleries attached to posts and pages with this plugin.

Frequently asked questions

What is CVE-2023-2561?: The Gallery Metabox for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the gallery_remove function in versions up to, and including, 1.5. This makes it possible for subscriber-level attackers to modify galleries attached to posts and pages with this plugin.
How severe is CVE-2023-2561?: CVE-2023-2561 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-2561 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2561?: CVE-2023-2561 affects Gallery-metabox Project Gallery-metabox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2561?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2561 published?: CVE-2023-2561 was published on 2023-07-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gallery-metabox_project:gallery-metabox:*:*:*:*:*:wordpress:*:*

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