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

Q: How do I fix CVE-2021-24743?

podcast subscribe buttons: upgrade to 1.4.2. Exact commands for each OS are on this page.

Q: Is CVE-2021-24743 being exploited?

CVE-2021-24743 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-2021-24743 affect?

CVE-2021-24743 affects podcast subscribe buttons. Severity is medium (CVSS 5.4). The Podcast Subscribe Buttons WordPress plugin before 1.4.2 allows users with any role capable of editing or adding posts to perform stored XSS.

Q: How urgent is CVE-2021-24743?

Priority 36/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2021-24743 is a medium-severity flaw (CVSS 5.4) 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 WordPress plugin before 1.4.2 allows users with any role capable of editing or adding posts to perform stored XSS.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-10-18
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: secondlinethemes

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

Am I affected?

Timeline

2021-10-18 14:15 UTCPublished CVE record published
2026-06-17 03:40 UTCUpdated Record last modified

secondlinethemes podcast subscribe buttons UPGRADE

Affected: < 1.4.2

Fixed in: 1.4.2

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 1.4.2 (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-2021-24743?

podcast subscribe buttons: upgrade to 1.4.2. Exact commands for each OS are on this page.

Is CVE-2021-24743 being exploited?

CVE-2021-24743 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-2021-24743 affect?

CVE-2021-24743 affects podcast subscribe buttons. Severity is medium (CVSS 5.4). The Podcast Subscribe Buttons WordPress plugin before 1.4.2 allows users with any role capable of editing or adding posts to perform stored XSS.

How urgent is CVE-2021-24743?

Priority 36/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-5308 MEDIUM 6.4 UPGRADE The Podcast Subscribe Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'podcast_s

References

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