GHSA-wh8q-72cp-p5wf Cross-Site Scripting in TYPO3 component Indexed Search

Not scored Published

Authenticated editors can inject arbitrary HTML into TYPO3 Indexed Search results, enabling cross-site scripting attacks against other users.

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
Available

What is GHSA-wh8q-72cp-p5wf?

GHSA-wh8q-72cp-p5wf is a cross-site scripting vulnerability in typo3/cms, published on 3 Jun 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Failing to properly encode editor input, the search result view of indexed_search is susceptible to Cross-Site Scripting, allowing authenticated editors to inject arbitrary HTML.

Which versions are affected by GHSA-wh8q-72cp-p5wf?

2 open source packages ship an affected version, including typo3/cms.

PackageAffectedFixed in
typo3/cms PackagistFrom 6.2.06.2.16
typo3/cms PackagistFrom 6.2.06.2.16

How do I fix GHSA-wh8q-72cp-p5wf?

Upgrade typo3/cms to 6.2.16 or later.

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 GHSA-wh8q-72cp-p5wf being exploited?

There is no known exploitation of GHSA-wh8q-72cp-p5wf in the wild and no public exploit code.

Sources

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