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CVE-2023-4390

MEDIUMCVSS 4.8/10EPSS 0.40%

Last modified

CVE-2023-4390 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The Popup box WordPress plugin before 3.7.2 does not sanitize and escape some Popup fields, which could allow high-privilege users such as an administrator to inject arbitrary web scripts even when the unfiltered_html capability is disallowed (for example in a multisite setup).. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

The Popup box WordPress plugin before 3.7.2 does not sanitize and escape some Popup fields, which could allow high-privilege users such as an administrator to inject arbitrary web scripts even when the unfiltered_html capability is disallowed (for example in a 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
0.40%

32.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Ays-ProPopup Box< 3.7.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-4390?
The Popup box WordPress plugin before 3.7.2 does not sanitize and escape some Popup fields, which could allow high-privilege users such as an administrator to inject arbitrary web scripts even when the unfiltered_html capability is disallowed (for example in a multisite setup).
How severe is CVE-2023-4390?
CVE-2023-4390 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2023-4390?
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-2023-4390?

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

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Source: NVD / NIST