CVE-2015-8757 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via the Extension Manager during extension installation in TYPO3.
- 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-2015-8757?
CVE-2015-8757 is a medium-severity cross-site scripting vulnerability in Typo3 Typo3, published on 8 Jan 2016. 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 the Extension Manager in TYPO3 6.2.x before 6.2.16 and 7.x before 7.6.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to extension data during an extension installation.
Weakness: CWE-79
Which versions are affected by CVE-2015-8757?
It affects 1 product.
Products include Typo3 Typo3.
How do I fix CVE-2015-8757?
No fix has been published for CVE-2015-8757 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-2015-8757 being exploited?
There is no known exploitation of CVE-2015-8757 in the wild and no public exploit code.
Other vulnerabilities in Typo3 Typo3
- CVE-2009-0258 Indexed Search Engine for TYPO3 Command Execution via Metacharacter Injection
- CVE-2011-3583 Typo3 SQL injection due to faulty prepared statements
- CVE-2011-4628 Typo3 Authentication Bypass
- CVE-2023-24814 Persisted Cross-Site Scripting in Frontend Rendering in typo3
- CVE-2021-41113 Cross-Site-Request-Forgery in Backend URI Handling in Typo3
Sources
Also known as GHSA-876v-jwwg-mx7g.