CVE-2021-24426 Backup by 10Web <= 1.0.20 - Reflected Cross-Site Scripting (XSS)

Medium 4.8 Published Updated

Attackers can inject malicious scripts via the tab parameter in the Backup by 10Web WordPress plugin, potentially compromising user sessions.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-24426?

CVE-2021-24426 is a medium-severity cross-site scripting vulnerability in Unknown Backup by 10Web – Backup and Restore Plugin, published on 12 Jul 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The Backup by 10Web – Backup and Restore Plugin WordPress plugin through 1.0.20 does not sanitise or escape the tab parameter before outputting it back in the page, leading to a reflected Cross-Site Scripting issue

Weakness: CWE-79

Which versions are affected by CVE-2021-24426?

It affects 1 product.

Products include Web-Dorado Backup-Wd.

How do I fix CVE-2021-24426?

No fix has been published for CVE-2021-24426 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-2021-24426 being exploited?

There is no known exploitation of CVE-2021-24426 in the wild and no public exploit code.

Sources

Also known as GHSA-mjc2-j72w-9227.

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