CVE-2022-4752 Opening Hours <= 2.3.0 - Contributor+ Stored XSS via Shortcode
Contributors can inject malicious scripts via shortcode attributes in the Opening Hours plugin, leading to stored XSS attacks.
- 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-2022-4752?
CVE-2022-4752 is a medium-severity cross-site scripting vulnerability in Unknown Opening Hours, published on 21 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 Opening Hours WordPress plugin through 2.3.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
Weakness: CWE-79
Which versions are affected by CVE-2022-4752?
It affects 1 product.
Products include Opening Hours Project Opening Hours.
How do I fix CVE-2022-4752?
No fix has been published for CVE-2022-4752 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-2022-4752 being exploited?
There is no known exploitation of CVE-2022-4752 in the wild and no public exploit code.
Sources
Also known as GHSA-xcv2-hhcc-6pc8.