CVE-2023-5308: The Podcast Subscribe Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'podcast_s

Q: How do I fix CVE-2023-5308?

podcast subscribe buttons: upgrade to newer than 1.4.8. Exact commands for each OS are on this page.

Q: Is CVE-2023-5308 being exploited?

CVE-2023-5308 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-5308 affect?

CVE-2023-5308 affects podcast subscribe buttons. Severity is medium (CVSS 6.4). The Podcast Subscribe Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'podcast_subscribe' shortcode in versions up to, and including, 1.4.8 due to insufficient input sanitization and output escaping on user sup

Q: How urgent is CVE-2023-5308?

Priority 33/100. No elevated risk signals yet.

Routine

MEDIUM 6.4UPGRADE

CVE-2023-5308 is a medium-severity flaw (CVSS 6.4) affecting podcast subscribe buttons. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Podcast Subscribe Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'podcast_subscribe' shortcode in versions up to, and including, 1.4.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-10-20
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: secondlinethemes

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-10-20 07:15 UTCPublished CVE record published
2026-06-17 06:48 UTCUpdated Record last modified

secondlinethemes podcast subscribe buttons UPGRADE

Affected: <= 1.4.8

Fixed in: newer than 1.4.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy podcast-subscribe-buttons || rpm -q podcast-subscribe-buttons || podcast-subscribe-buttons --version

2. UPGRADE to newer than 1.4.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade podcast-subscribe-buttons

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade podcast-subscribe-buttons

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-5308?

podcast subscribe buttons: upgrade to newer than 1.4.8. Exact commands for each OS are on this page.

Is CVE-2023-5308 being exploited?

CVE-2023-5308 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-5308 affect?

CVE-2023-5308 affects podcast subscribe buttons. Severity is medium (CVSS 6.4). The Podcast Subscribe Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'podcast_subscribe' shortcode in versions up to, and including, 1.4.8 due to insufficient input sanitization and output escaping on user sup

How urgent is CVE-2023-5308?

Priority 33/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2021-24743 MEDIUM 5.4 UPGRADE The Podcast Subscribe Buttons WordPress plugin before 1.4.2 allows users with any role capable of editing or a

References

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