Is CVE-2023-4820 in the CISA KEV catalog?

No. CVE-2023-4820 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4820?

CVE-2023-4820 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2023-4820?

CVE-2023-4820 has an EPSS score of 0.40% (32th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4820?

Upgrade powerpress to 11.0.12 or later.

CVE & CISA-KEV Catalog

CVE-2023-4820

MEDIUM

5.4

CVSS v3

NVD

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.

How to fix

Remediation Available

powerpressNVD

Affected:< 11.0.12Fixed in:11.0.12CVE-2023-4820derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.40%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Exploit1

wpscan.com

Embed a live status badge for CVE-2023-4820

Markdown

[![CVE-2023-4820](https://tridentstack.com/cve/badge/CVE-2023-4820.svg)](https://tridentstack.com/cve/CVE-2023-4820)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-4820"><img src="https://tridentstack.com/cve/badge/CVE-2023-4820.svg" alt="CVE-2023-4820"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-05.