CVE-2021-24855 Display Post Metadata < 1.5.0 - Contributor+ Stored Cross-Site Scripting
Contributors can inject malicious scripts via unsanitized custom fields in the Display Post Metadata plugin, potentially compromising site integrity.
- 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-2021-24855?
CVE-2021-24855 is a medium-severity cross-site scripting vulnerability in Unknown Display Post Metadata, published on 13 Dec 2021. 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 Display Post Metadata WordPress plugin before 1.5.0 adds a shortcode to print out custom fields, however their content is not sanitised or escaped which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks
Weakness: CWE-79
Which versions are affected by CVE-2021-24855?
It affects 1 product.
Products include Display Post Metadata Project Display Post Metadata.
How do I fix CVE-2021-24855?
No fix has been published for CVE-2021-24855 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-2021-24855 being exploited?
There is no known exploitation of CVE-2021-24855 in the wild and no public exploit code.
Sources
Also known as GHSA-6qgr-35g2-ph79.