CVE-2012-5888 Basic SEO Features (seo_basics) extension TYPO3 vulnerable to Cross-site Scripting
Remote attackers can inject arbitrary web script or HTML via the Basic SEO Features extension in TYPO3, 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
- Available
What is CVE-2012-5888?
CVE-2012-5888 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Nov 2012. 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 Basic SEO Features (seo_basics) extension before 0.8.2 for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2012-5888?
2 open source packages ship an affected version, including b13/seo_basics. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
b13/seo_basics Packagist | All versions | 0.8.2 |
b13/seo_basics Packagist | All versions | 0.8.2 |
Products include Benjamin Mack Seo Basics.
How do I fix CVE-2012-5888?
Upgrade b13/seo_basics to 0.8.2 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 CVE-2012-5888 being exploited?
There is no known exploitation of CVE-2012-5888 in the wild and no public exploit code.
Sources
Also known as GHSA-7p53-8wjr-j8h4.