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CVE-2023-49820 WordPress Structured Content Plugin <= 1.5.3 is vulnerable to Cross Site Scripting (XSS)

Medium 6.5 Published Updated

Stored XSS in Structured Content plugin allows attackers to inject malicious scripts into web pages viewed by other users.

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-2023-49820?

CVE-2023-49820 is a medium-severity cross-site scripting vulnerability in Gordon Böhme, Antonio Leutsch Structured Content (JSON-LD) #wpsc, published on 14 Dec 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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Gordon Böhme, Antonio Leutsch Structured Content (JSON-LD) #wpsc allows Stored XSS.This issue affects Structured Content (JSON-LD) #wpsc: from n/a through 1.5.3.

Weakness: CWE-79

Which versions are affected by CVE-2023-49820?

It affects 1 product.

Products include Wpsc-Plugin Structured Content.

How do I fix CVE-2023-49820?

No fix has been published for CVE-2023-49820 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-2023-49820 being exploited?

There is no known exploitation of CVE-2023-49820 in the wild and no public exploit code.

Sources

Also known as GHSA-j6vh-6qq8-qh37.

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