How severe is CVE-2023-2967?

CVE-2023-2967 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-2967 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-2023-2967?

CVE-2023-2967 affects Tinymce Custom Styles Project Tinymce Custom Styles. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2967?

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

When was CVE-2023-2967 published?

CVE-2023-2967 was published on 2023-07-10 and last updated on 2026-06-17.

CVE-2023-2967

CVE-2023-2967 is a medium-severity vulnerability in Tinymce Custom Styles Project Tinymce Custom Styles with a CVSS 3.x base score of 4.8. 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 4.8)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tinymce Custom Styles Project Tinymce Custom Styles
Published: 2023-07-10
Last modified: 2026-06-17

Description

The TinyMCE Custom Styles WordPress plugin before 1.1.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Frequently asked questions

What is CVE-2023-2967?: The TinyMCE Custom Styles WordPress plugin before 1.1.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
How severe is CVE-2023-2967?: CVE-2023-2967 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-2967 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-2023-2967?: CVE-2023-2967 affects Tinymce Custom Styles Project Tinymce Custom Styles. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2967?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2967 published?: CVE-2023-2967 was published on 2023-07-10 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/9afec4aa-1210-4c40-b566-64e37acf2b64

Affected products (1)

cpe:2.3:a:tinymce_custom_styles_project:tinymce_custom_styles:*:*:*:*:*:wordpress:*:*

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