Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2011-5148

Simple File Upload

Joomla! / Simple File Upload

Severity
CVSS 6.8 · Medium
Confidence
High
Exploit status
Exploited in the wild
EPSS
4.9%
First observed
Last observed

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2011-5148 is an unauthenticated vulnerability affecting Joomla! Simple File Upload. Multiple incomplete blacklist vulnerabilities in the Simple File Upload (mod_simplefileuploadv1.3) module before 1.3.5 for...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.

Who is affected?

Joomla! / Simple File Upload.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Simple File Upload

Multiple incomplete blacklist vulnerabilities in the Simple File Upload (mod_simplefileuploadv1.3) module before 1.3.5 for Joomla! allow remote attackers to execute arbitrary code by uploading a file with a (1) php5, (2) php6, or (3) double (e.g.

.php.jpg) extension, then accessing it via a direct request to the file in images/, as exploited in the wild in January 2012.

View vendor advisory (opens in new tab)
Published
31 Aug 2012
Exploitation Reported
31 Aug 2012
Attack vector
Remote
Complexity
Privileges
None
User interaction

Tags

joomla php

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2011-5148
  • 47370 secunia.com · Third-Party Advisory http://secunia.com/advisories/47370
  • 18287 exploit-db.com · Exploit http://www.exploit-db.com/exploits/18287
  • simplefileupload-index-code-exec(72023) exchange.xforce.ibmcloud.com · VDB Entry https://exchange.xforce.ibmcloud.com/vulnerabilities/72023
  • 51214 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/51214
  • 51234 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/51234
  • 78122 osvdb.org · VDB Entry http://www.osvdb.org/78122
  • wasen.net/index.php wasen.net · CVE Record http://wasen.net/index.php?option=com_content&view=article&id=87&Item...
  • docs.joomla.org/Vulnerable_Extensions_List docs.joomla.org · CVE Record http://docs.joomla.org/Vulnerable_Extensions_List#Simple_File_Upload_1.3

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CVE

Recorded 31 Aug 2012

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
CVE First 2012-08-31 21:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v2.0

6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

4.9%

Timeline

From disclosure to observed exploitation

  1. Added to KEV Intelligence KEV Feed

    High-confidence, third-party attested exploitation

  2. CVE published

    Vulnerability disclosed publicly

  3. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2011-5148

Free JSON includes basic KEV fields
{
  "cve_id": "CVE-2011-5148",
  "confidence": "High",
  "cvss_score": 6.8,
  "cvss_estimated": false,
  "epss_score": 0.04879,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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