CVE-2021-24274 Ultimate Maps by Supsystic < 1.2.5 - Reflected Cross-Site scripting (XSS)

Medium 6.1 Published Updated

Attackers can execute arbitrary scripts in the context of other users via the unsanitized tab parameter on the options 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-2021-24274?

CVE-2021-24274 is a medium-severity cross-site scripting vulnerability in Ultimate Maps by Supsystic, published on 5 May 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

The Ultimate Maps by Supsystic WordPress plugin before 1.2.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue

Weakness: CWE-79

Which versions are affected by CVE-2021-24274?

It affects 1 product.

Products include Supsystic Ultimate Maps.

How do I fix CVE-2021-24274?

No fix has been published for CVE-2021-24274 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-2021-24274 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24274 exists.

Public exploit code: 1 Exploit-DB entry and 1 Nuclei template.

Sources

Also known as GHSA-56qq-mmjh-2622.

Is CVE-2021-24274 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free