PatchTheCVECVE-2012-5888: Cross-site scripting (XSS) vulnerability in Basic SEO Features (seo_basics) extension before 0.8.2 for TYPO3 a
CVE-2012-5888 is a medium-severity flaw (CVSS 4.3) affecting seo basics. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| EPSS exploit chance | 1.8% (top 22%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2012-11-17 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2012-5888?
seo basics: upgrade to newer than 0.8.1. Exact commands for each OS are on this page.
Is CVE-2012-5888 being exploited?
CVE-2012-5888 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2012-5888 affect?
CVE-2012-5888 affects seo basics. Severity is medium (CVSS 4.3). 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.
How urgent is CVE-2012-5888?
Priority 35/100. No elevated risk signals yet.