Directory traversal vulnerability in main.php in PCPIN Chat 5.0.4 and earlier allows remote authenticated users to include and execute arbitrary PHP code via a ".." (dot dot) in a language cookie, as demonstrated by uploading then accessing a smiliefile image that actually contains PHP code.
CVE-2006-1963
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 72.5%
- KEV
- Not listed
Published
April 21, 2006
Last Modified
April 16, 2026
References (16)
- cve@mitrehttp://retrogod.altervista.org/pcpin_504_xpl.html
- cve@mitrehttp://secunia.com/advisories/19708
- cve@mitrehttp://securitytracker.com/id?1015968
- cve@mitrehttp://www.securityfocus.com/archive/1/431390/100/0/threaded
- cve@mitrehttp://www.securityfocus.com/archive/1/436029/100/0/threaded
- cve@mitrehttp://www.securityfocus.com/bid/17632
- cve@mitrehttp://www.vupen.com/english/advisories/2006/1441
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/25962
- af854a3a-2127-422b-91ae-364da2661108http://retrogod.altervista.org/pcpin_504_xpl.html
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/19708
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1015968
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/431390/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/436029/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/17632
- af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2006/1441
Frequently asked(4)
What is CVE-2006-1963?
CVE-2006-1963 is a none vulnerability published on April 21, 2006. Directory traversal vulnerability in main.php in PCPIN Chat 5.0.4 and earlier allows remote authenticated users to include and execute arbitrary PHP code via a ".." (dot dot) in a language cookie, as demonstrated by uploading then accessing a smiliefile image that actually contains PHP code.
When was CVE-2006-1963 disclosed?
CVE-2006-1963 was first published in the National Vulnerability Database on April 21, 2006, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2006-1963 actively exploited?
CVE-2006-1963 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 72.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2006-1963?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-1963, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
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