CVE-2013-7076 Cross-site scripting in n/a

Medium 4.3 Published Updated

Remote attackers can inject arbitrary web script or HTML into the TYPO3 Extension Manager, potentially compromising user sessions or data.

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 CVE-2013-7076?

CVE-2013-7076 is a medium-severity cross-site scripting vulnerability in Typo3 Typo3, published on 21 Dec 2013. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Cross-site scripting (XSS) vulnerability in Extension Manager in TYPO3 4.5.x before 4.5.32 and 4.7.x before 4.7.17 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2013-7076?

It affects 1 product.

Products include Typo3 Typo3.

How do I fix CVE-2013-7076?

Upgrade to a fixed version.

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-2013-7076 being exploited?

There is no known exploitation of CVE-2013-7076 in the wild and no public exploit code.

All Typo3 Typo3 vulnerabilities

Sources

Also known as GHSA-8fhr-q64r-cg3f.

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