CVE-2022-4028 Simple:Press <= 6.8 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Profile Signatures

Medium 6.4 Published Updated

Authenticated attackers can inject arbitrary web scripts via profile signatures, executing them when other users view the page.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-4028?

CVE-2022-4028 is a medium-severity cross-site scripting vulnerability in simplepress Simple:Press Forum, published on 29 Nov 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Simple:Press plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'postitem' parameter manipulated during the profile-save action when modifying a profile signature in versions up to, and including, 6.8 due to insufficient input sanitization and output escaping that makes injecting object and embed tags possible. This makes it possible for authenticated attackers, with minimal permissions, such as a subscriber to inject arbitrary web scripts in pages when modifying a profile signature that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2022-4028?

It affects 1 product.

Products include Simple-Press Simple\.

How do I fix CVE-2022-4028?

No fix has been published for CVE-2022-4028 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-2022-4028 being exploited?

There is no known exploitation of CVE-2022-4028 in the wild and no public exploit code.

Sources

Also known as GHSA-37q9-c8hw-9pvg.

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