CVE-2024-21584 Cross-site scripting in Pleasanter

Medium 6.1 Published Updated

An attacker can execute arbitrary scripts in a user's browser via a crafted URL in Pleasanter, potentially compromising user sessions.

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-2024-21584?

CVE-2024-21584 is a medium-severity cross-site scripting vulnerability in Implem Inc. Pleasanter , published on 12 Mar 2024. 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

Pleasanter 1.3.49.0 and earlier contains a cross-site scripting vulnerability. If an attacker tricks the user to access the product with a specially crafted URL and perform a specific operation, an arbitrary script may be executed on the web browser of the user.

Weakness: CWE-79

Which versions are affected by CVE-2024-21584?

It affects 1 product.

Products include Pleasanter Pleasanter.

How do I fix CVE-2024-21584?

No fix has been published for CVE-2024-21584 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-2024-21584 being exploited?

There is no known exploitation of CVE-2024-21584 in the wild and no public exploit code.

Sources

Also known as GHSA-4j5j-2gqc-53xf.

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