CVE-2024-0688 WebSub (FKA. PubSubHubbub) <= 3.1.4 - Authenticated (Admin+) Stored Cross-Site Scripting
Administrators can inject arbitrary scripts into WebSub plugin settings, leading to stored XSS execution for other users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-0688?
CVE-2024-0688 is a medium-severity cross-site scripting vulnerability in joshfraz WebSub (FKA. PubSubHubbub), published on 25 Jan 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The "WebSub (FKA. PubSubHubbub)" plugin for WordPress is vulnerable to Stored Cross-Site Scripting via plugin settings in all versions up to, and including, 3.1.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2024-0688?
It affects 1 product.
Products include Pubsubhubbub Websub.
How do I fix CVE-2024-0688?
No fix has been published for CVE-2024-0688 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-2024-0688 being exploited?
There is no known exploitation of CVE-2024-0688 in the wild and no public exploit code.
Sources
Also known as GHSA-6wrq-j9qq-5v7v.