CVE-2023-4820

Name: CVE-2023-4820
Creator: NVD / NIST
Published: 2023-10-16T20:15:16.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2023-4820 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The PowerPress Podcasting plugin by Blubrry WordPress plugin before 11.0.12 does not sanitize and escape the media url field in posts, which could allow users with privileges as low as contributor to inject arbitrary web scripts that could target a site admin or superadmin.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

The PowerPress Podcasting plugin by Blubrry WordPress plugin before 11.0.12 does not sanitize and escape the media url field in posts, which could allow users with privileges as low as contributor to inject arbitrary web scripts that could target a site admin or superadmin.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.40%

32.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Blubrry	Powerpress	< 11.0.12

References

https://wpscan.com/vulnerability/e866a214-a142-43c7-b93d-ff2301a3e432Exploit, Third Party Advisory
https://wpscan.com/vulnerability/e866a214-a142-43c7-b93d-ff2301a3e432Exploit, Third Party Advisory

Timeline

Published: Oct 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4820?

How severe is CVE-2023-4820?

CVE-2023-4820 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4820?

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-2023-4820?

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

Scan your code now

Source: NVD / NIST