CVE-2020-35582 Cross-site scripting in n/a

Medium 5.4 Published Updated

Remote attackers can inject arbitrary JavaScript or HTML via the post_title parameter in Envira Gallery Lite, 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-2020-35582?

CVE-2020-35582 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Jan 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A stored cross-site scripting (XSS) issue in Envira Gallery Lite before 1.8.3.3 allows remote attackers to inject arbitrary JavaScript/HTML code via a POST /wp-admin/post.php request with the post_title parameter.

Weakness: CWE-79

Which versions are affected by CVE-2020-35582?

It affects 1 product.

Products include Enviragallery Envira Gallery.

How do I fix CVE-2020-35582?

No fix has been published for CVE-2020-35582 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-2020-35582 being exploited?

There is no known exploitation of CVE-2020-35582 in the wild and no public exploit code.

Sources

Also known as GHSA-xj55-jcm5-7pgm.

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