CVE-2020-20982 Cross-site scripting in n/a

Critical 9.6 Published 3 Nov 2021 Updated 4 Aug 2024

Attackers can execute arbitrary code and escalate privileges via XSS in the wdja web application's passport index page.

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

What is CVE-2020-20982?

CVE-2020-20982 is a critical cross-site scripting vulnerability in n/a, published on 3 Nov 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross Site Scripting (XSS) vulnerability in shadoweb wdja v1.5.1, allows attackers to execute arbitrary code and gain escalated privileges, via the backurl parameter to /php/passport/index.php.

Weakness: CWE-79

Which versions are affected by CVE-2020-20982?

It affects 1 product.

Products include Wdja Wdja Cms.

How do I fix CVE-2020-20982?

No fix has been published for CVE-2020-20982 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-2020-20982 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-20982 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-mmrp-wq9v-qxh6.