CVE-2006-5566
NVD-CWE-OtherPublished: October 27, 2006· Updated: Jun 16, 2026
Official Description
CRLF injection vulnerability in premium/index.php in Shop-Script allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via CRLF sequences in the (1) links_exchange, (2) news, (3) search_with_change_category_ability, (4) logging, (5) feedback, (6) show_price, (7) register, (8) answer, (9) productID, and (10) inside parameters.
Technical Analysis
CVE-2006-5566 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A proof-of-concept (PoC) exploit exists for CVE-2006-5566. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (10)
Quick Facts
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2006-5566 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts