CVE-2022-4829 Show-Hide / Collapse-Expand < 1.3.0 - Contributor+ Stored XSS via Shortcode

Medium 5.4 Published Updated

Contributors can inject malicious scripts via shortcode attributes, potentially compromising admin accounts in the Show-Hide / Collapse-Expand plugin.

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-2022-4829?

CVE-2022-4829 is a medium-severity cross-site scripting vulnerability in Unknown Show-Hide / Collapse-Expand, published on 27 Feb 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 Show-Hide / Collapse-Expand WordPress plugin before 1.3.0 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

Which versions are affected by CVE-2022-4829?

It affects 1 product.

Products include Show-Hide \/ Collapse-Expand Project Show-Hide \/ Collapse-Expand.

How do I fix CVE-2022-4829?

No fix has been published for CVE-2022-4829 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-2022-4829 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4829 exists.

Sources

Also known as GHSA-4xcm-ff46-5j4r.

Is CVE-2022-4829 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free