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CVE-2023-2967

MEDIUMCVSS 4.8/10EPSS 0.45%

Last modified

CVE-2023-2967 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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).. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1
4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.45%

35.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
Tinymce Custom Styles ProjectTinymce Custom Styles< 1.1.4

References

Timeline

Published
Last Modified
Status
Modified

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 score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.
How do I fix CVE-2023-2967?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2967?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST