How severe is CVE-2023-0066?

CVE-2023-0066 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 user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-0066 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0066?

CVE-2023-0066 affects Codeermeneer Companion Sitemap Generator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0066?

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

When was CVE-2023-0066 published?

CVE-2023-0066 was published on 2023-03-13 and last updated on 2026-06-17.

CVE-2023-0066

CVE-2023-0066 is a medium-severity vulnerability in Codeermeneer Companion Sitemap Generator 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.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Codeermeneer Companion Sitemap Generator
Published: 2023-03-13
Last modified: 2026-06-17

Description

The Companion Sitemap Generator WordPress plugin through 4.5.1.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Frequently asked questions

What is CVE-2023-0066?: The Companion Sitemap Generator WordPress plugin through 4.5.1.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
How severe is CVE-2023-0066?: CVE-2023-0066 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 user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-0066 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0066?: CVE-2023-0066 affects Codeermeneer Companion Sitemap Generator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0066?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0066 published?: CVE-2023-0066 was published on 2023-03-13 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/545c9e2f-bacd-4f30-ae01-de1583e26d32

Affected products (1)

cpe:2.3:a:codeermeneer:companion_sitemap_generator:*:*:*:*:*:wordpress:*:*

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CVE-2019-15113 — High (CVSS 8.8): The companion-sitemap-generator plugin before 3.7.0 for WordPress has CSRF.
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