Vulnerability · CVE-2012-5888
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…
Published Nov 17, 2012 · catalog updated Jun 16, 2026 · benjamin mack seo basics
Last checked Nov 4, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2012-5888. EPSS is 1.79%. Act only if a listed version of benjamin mack seo basics is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium4.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 1.79%
- Remediation
- Version ranges on file
- Affected products
- cpe benjamin mack/seo basics
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe benjamin mack/seo basics<= 0.8.1
How to fix CVE-2012-5888
Upgrade
CVE-2012-5888 lists a fix boundary at 0.8.1. Compare the installed build with that boundary before you change production.
Version check
Affected <= 0.8.1
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2012-5888. EPSS is 1.79%. Act only if a listed version of benjamin mack seo basics is installed.
Which versions are affected?
Compare what you have installed with benjamin mack/seo basics <= 0.8.1. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-79: Cross-site Scripting (XSS). EPSS 1.79%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Nov 17, 2012 · Monitored products — high
Detected
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.
Jun 16, 2026 · Monitored products — high
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2012-5888
Official CVE identifier
cve.org - Monitored products — highVendor advisoryCVE-2012-5888
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.
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgNov 4, 2026
- Monitored products — highNov 3, 2026