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CVE-2006-1963

16
FAUCET Score

CVE-2006-1963 describes a directory traversal vulnerability in PCPIN Chat 5.0.4 and earlier, allowing authenticated attackers to execute arbitrary PHP code. By manipulating a language cookie with ".." sequences, attackers can include and execute malicious PHP code disguised as a smiliefile image. This vulnerability has a CVSS score of 5.5, indicating a medium severity with low attack complexity, requiring authentication, and potentially leading to partial confidentiality and integrity compromise. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.5CPE matchmatch criteria
cpe:2.3:a:pcpin:pcpin_chat:3.1.5:*:*:*:*:*:*:*
3.1.6CPE matchmatch criteria
cpe:2.3:a:pcpin:pcpin_chat:3.1.6:*:*:*:*:*:*:*
3.1.7rCPE matchmatch criteria
cpe:2.3:a:pcpin:pcpin_chat:3.1.7r:*:*:*:*:*:*:*
3.2.0CPE matchmatch criteria
cpe:2.3:a:pcpin:pcpin_chat:3.2.0:*:*:*:*:*:*:*
3.2.1CPE matchmatch criteria
cpe:2.3:a:pcpin:pcpin_chat:3.2.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.5MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.57%
Probability of exploitation in next 30 days
EPSS Percentile
72.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0157 is in the 86th percentile among its peer group of 21,954 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

retrogod.altervista.org / pcpin_504_xpl.html
Exploit
secunia.com / advisories/19708
Vendor Advisory
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/25962
securityfocus.com / archive/1/431390/100/0/threaded
securityfocus.com / archive/1/436029/100/0/threaded
securityfocus.com / bid/17632
Exploit
vupen.com / english/advisories/2006/1441