MEDIUM
CVE-2006-2158
NVD-CWE-OtherPublished: May 3, 2006· Updated: Jun 16, 2026
6.4
CVSS v3.1
Official Description
Dynamic variable evaluation vulnerability in index.php in Stadtaus Guestbook Script 1.7 and earlier, when register_globals is enabled, allows remote attackers to modify arbitrary program variables via parameters, which are evaluated as PHP variable variables, as demonstrated by performing PHP remote file inclusion using the include_files array parameter.
Technical Analysis
CVE-2006-2158 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.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityNone
AV:N/AC:L/Au:N/C:P/I:P/A:N
Affected Vendors & Products
stadtaus1 product(s)
guestbook script
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
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NVD Detail
Official NIST entry
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CVE Program entry
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All References (12)
Quick Facts
CVE IDCVE-2006-2158
CVSS Score6.4 / 10
SeverityMEDIUM
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedMay 3, 2006
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2006-2158 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.