CVE-2018-20838 Cross-site scripting in n/a

Medium 5.4 Published 13 May 2019 Updated 5 Aug 2024

Stored XSS in AMP for WP plugin allows attackers to inject malicious scripts into WordPress sites, potentially compromising user sessions.

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-2018-20838?

CVE-2018-20838 is a medium-severity cross-site scripting vulnerability in n/a, published on 13 May 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.

Weakness: CWE-79

Which versions are affected by CVE-2018-20838?

It affects 1 product.

Products include Magazine3 Amp for Wp.

How do I fix CVE-2018-20838?

No fix has been published for CVE-2018-20838 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-2018-20838 being exploited?

There is no known exploitation of CVE-2018-20838 in the wild and no public exploit code.

Sources

Also known as GHSA-x6fh-2jjp-6486.