CVE-2022-4477 Smash Balloon Social Post Feed < 4.1.6 - Contributor+ Stored XSS
Contributors can inject malicious scripts via shortcode attributes, leading to stored XSS attacks against logged-in administrators.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-4477?
CVE-2022-4477 is a medium-severity cross-site scripting vulnerability in Unknown Smash Balloon Social Post Feed, published on 16 Jan 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Smash Balloon Social Post Feed WordPress plugin before 4.1.6 does not validate and escapes some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as a contributor to perform Stored Cross-Site Scripting attacks against logged-in admins.
Which versions are affected by CVE-2022-4477?
It affects 1 product.
Products include Smashballoon Smash Balloon Social Post Feed.
How do I fix CVE-2022-4477?
No fix has been published for CVE-2022-4477 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-2022-4477 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4477 exists.
Other vulnerabilities in Unknown Smash Balloon Social Post Feed
- CVE-2021-24508 Smash Balloon Social Post Feed < 2.19.2 - Unauthenticated Stored XSS
- CVE-2021-25065 Smash Balloon Social Post Feed < 4.1.1 - Authenticated Reflected Cross-Site Scripting (XSS)
- CVE-2021-24918 Smash Balloon Social Post Feed < 4.0.1 - Subscriber+ Arbitrary Plugin Settings Update to Stored XSS
Sources
Also known as GHSA-w6fg-m72j-wggm.