CVE-2005-3571

Phpcalendar vulnerability

CVSS

5.0

EPSS

3.5%

EPSS pct

88th

Exploited

No known

PHP file inclusion vulnerability in protection.php in CodeGrrl (a) PHPCalendar 1.0, (b) PHPClique 1.0, (c) PHPCurrently 2.0, (d) PHPFanBase 2.1, and (e) PHPQuotes 1.0 allows remote attackers to include arbitrary local files via the siteurl parameter when register_globals is enabled. NOTE: It was later reported that PHPFanBase 2.2 is also affected.

Affected vendor

Codegrrl

Affected product

Phpcalendar

CVSS vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Weakness type (CWE)

CWE-94 — Code Injection

Published

2005-11-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2005-3571

Confirm whether Codegrrl Phpcalendar is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2005-3571.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-3571

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-3571 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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