CVE-2023-25479 WordPress Podlove Subscribe button Plugin <= 1.3.7 is vulnerable to Cross Site Scripting (XSS)

Q: What is CVE-2023-25479?

CVE-2023-25479 is a medium-severity cross-site scripting vulnerability in Podlove Subscribe button, published on 25 Apr 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Q: Is CVE-2023-25479 being exploited?

There is no known exploitation of CVE-2023-25479 in the wild and no public exploit code.

Q: How do I fix CVE-2023-25479?

No fix has been published for CVE-2023-25479 yet. Limit exposure of the affected software until one is available.

Medium 5.9 Published 25 Apr 2023 Updated 28 Apr 2026

Administrators can inject malicious scripts via the Podlove Subscribe button plugin, potentially compromising user sessions.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-25479?

CVE-2023-25479 is a medium-severity cross-site scripting vulnerability in Podlove Subscribe button, published on 25 Apr 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Podlove Podlove Subscribe button plugin <= 1.3.7 versions.

Weakness: CWE-79

Which versions are affected by CVE-2023-25479?

It affects 1 product.

Products include Podlove Podlove Subscribe Button.

How do I fix CVE-2023-25479?

No fix has been published for CVE-2023-25479 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-25479 being exploited?

There is no known exploitation of CVE-2023-25479 in the wild and no public exploit code.

Sources

Also known as GHSA-qr78-7vm9-2fj7.