CVE-2020-28038 Cross-site scripting in n/a
Attackers can inject malicious scripts via post slugs in WordPress, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-28038?
CVE-2020-28038 is a medium-severity cross-site scripting vulnerability in Debian Debian Linux, published on 31 Oct 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
WordPress before 5.5.2 allows stored XSS via post slugs.
Weakness: CWE-79
Which versions are affected by CVE-2020-28038?
2 open source packages ship an affected version, including wordpress and wordpress-multisite. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
wordpress Bitnami | All versions | 5.5.2 |
wordpress-multisite Bitnami | All versions | 5.5.2 |
Products include Debian Debian Linux, Fedoraproject Fedora, Wordpress Wordpress.
How do I fix CVE-2020-28038?
Upgrade wordpress to 5.5.2 or later.
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-2020-28038 being exploited?
There is no known exploitation of CVE-2020-28038 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BIT-wordpress-2020-28038, BIT-wordpress-multisite-2020-28038, DEBIAN-CVE-2020-28038, GHSA-mwxx-w555-5h5m, UBUNTU-CVE-2020-28038.