CVE-2006-0805: n/a vulnerability

CVE-2006-0805: The CAPTCHA functionality in php-Nuke 6.0 through 7.9 uses fixed challenge/response pairs that only vary on...

The CAPTCHA functionality in php-Nuke 6.0 through 7.9 uses fixed challenge/response pairs that only vary once per day based on the User Agent (HTTP_USER_AGENT), which allows remote attackers to bypass CAPTCHA controls by fixing the User Agent, performing a valid challenge/response, then replaying that pair in the random_num and gfx_check parameters.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 16:48 UTC (UTC+00:00)

Security readout for executives and security teams

This issue weakens php-Nuke's CAPTCHA in versions 6.0 through 7.9. The challenge can be predictable and reusable when the same browser User-Agent is used, so CAPTCHA may not stop automated abuse. The sources do not provide CVSS scoring, a vendor patch, or evidence of active exploitation. Exposure is limited to organizations still running php-Nuke 6.0 through 7.9 with the affected CAPTCHA enabled on public forms, registrations, comments, or other abuse-prone workflows. Treat this as a targeted legacy-platform exposure issue. It is unlikely to justify emergency response by itself, but public php-Nuke sites using this CAPTCHA should be prioritized for retirement, upgrade, or compensating anti-abuse controls. Mitigation focus: Inventory any php-Nuke deployments and confirm whether versions 6.0 through 7.9 are present.; Check archived vendor or maintainer guidance before assuming a patch exists.; Retire or upgrade unsupported php-Nuke deployments where feasible..

Prepared: Jun 29, 2026, 14:19 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 21, 2006, 02:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

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