HOMEVULNERABILITIESCVE-2012-3578
MEDIUMPOC

CVE-2012-3578

CWE-264Published: June 17, 2012· Updated: Jun 16, 2026

6.8
CVSS v3.1

Official Description

Unrestricted file upload vulnerability in html/Upload.php in the FCChat Widget plugin 2.2.13.1 and earlier for WordPress allows remote attackers to execute arbitrary code by uploading a file with a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in html/images.

NVD Source

Technical Analysis

CVE-2012-3578 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.

A proof-of-concept (PoC) exploit exists for CVE-2012-3578. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Vendors & Products

WordPress2 product(s)
fcchat widgetwordpress
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://secunia.com/advisories/49419
ADVISORYhttp://secunia.com/advisories/49419

All References (10)

→
http://packetstormsecurity.org/files/113323/WordPress-FCChat-Widget-2.x-Shell-Upload.htmlExploit
→
http://secunia.com/advisories/49419Vendor Advisory
→
http://www.opensyscom.fr/Actualites/wordpress-plugins-fcchat-widget-shell-upload-vulnerability.htmlExploit
→
http://www.securityfocus.com/bid/53855Exploit
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/76123
→
http://packetstormsecurity.org/files/113323/WordPress-FCChat-Widget-2.x-Shell-Upload.htmlExploit
→
http://secunia.com/advisories/49419Vendor Advisory
→
http://www.opensyscom.fr/Actualites/wordpress-plugins-fcchat-widget-shell-upload-vulnerability.htmlExploit
→
http://www.securityfocus.com/bid/53855Exploit
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/76123

Quick Facts

CVE IDCVE-2012-3578
CVSS Score6.8 / 10
SeverityMEDIUM
WeaknessCWE-264
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedJun 17, 2012

Related CVEs (CWE-264)

CVE-2007-6638
10.0
CVE-2013-3686
10.0
CVE-2002-0013
10.0
CVE-2008-1247
10.0
CVE-2011-5010
10.0
CVE-2012-3575
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2012-3578 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.
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