How severe is CVE-2023-1023?

CVE-2023-1023 has a CVSS 3.x base score of 5.4, 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 low.

Is CVE-2023-1023 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1023?

CVE-2023-1023 affects Joomunited Wp Meta Seo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1023?

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

When was CVE-2023-1023 published?

CVE-2023-1023 was published on 2023-02-28 and last updated on 2026-06-17.

CVE-2023-1023

CVE-2023-1023 is a medium-severity vulnerability in Joomunited Wp Meta Seo with a CVSS 3.x base score of 5.4. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Joomunited Wp Meta Seo
Published: 2023-02-28
Last modified: 2026-06-17

Description

The WP Meta SEO plugin for WordPress is vulnerable to unauthorized plugin settings update due to a missing capability check on the saveSitemapSettings function in versions up to, and including, 4.5.3. This makes it possible for authenticated attackers with subscriber-level access to change sitemap-related settings of the plugin. This vulnerability occurred as a result of the plugin relying on nonce checks as a means of access control, and that nonce being accessible to all authenticated users regardless of role.

Frequently asked questions

What is CVE-2023-1023?: The WP Meta SEO plugin for WordPress is vulnerable to unauthorized plugin settings update due to a missing capability check on the saveSitemapSettings function in versions up to, and including, 4.5.3. This makes it possible for authenticated attackers with subscriber-level access to change sitemap-related settings of the plugin. This vulnerability occurred as a result of the plugin relying on nonce checks as a means of access control, and that nonce being accessible to all authenticated users regardless of role.
How severe is CVE-2023-1023?: CVE-2023-1023 has a CVSS 3.x base score of 5.4, 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 low.
Is CVE-2023-1023 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1023?: CVE-2023-1023 affects Joomunited Wp Meta Seo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1023?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-1023 published?: CVE-2023-1023 was published on 2023-02-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:joomunited:wp_meta_seo:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Joomunited Wp Meta Seo

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CVE-2024-45456 — Medium (CVSS 6.5): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in JoomUnited WP…
CVE-2023-0876 — Medium (CVSS 6.1): The WP Meta SEO WordPress plugin before 4.5.3 does not authorize several ajax actions, allowing low-privilege users to…
CVE-2024-45455 — Medium (CVSS 5.9): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in JoomUnited WP…

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Other CWE-862 (Missing Authorization) vulnerabilities

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Browse all CWE-862 (Missing Authorization) vulnerabilities →