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CVE-2011-4908

78
FAUCET Score

CVE-2011-4908 describes a critical arbitrary file upload vulnerability in the TinyBrowser plugin for Joomla! versions prior to 1.5.13. This flaw, rated 9.8 CVSS (Critical), allows unauthenticated attackers to upload malicious files via upload.php, leading to complete compromise of the affected system (Confidentiality, Integrity, Availability). While not observed in active exploitation (KEV: No), public exploit code exists, including Metasploit modules and ExploitDB entries, indicating readily available tools for attackers. Despite its severity and exploit availability, there is minimal community discussion or media coverage surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.5.13CPE matchmatch criteria
cpe:2.3:a:tiny:tinybrowser:*:*:*:*:*:joomla\!:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
55.77%
Probability of exploitation in next 30 days
EPSS Percentile
98.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Metasploit: Joomla 1.5.12 TinyBrowser File Upload Code Execution · Jul 22, 2009
ExploitDB: EDB-9296 · Jul 28, 2009
This CVE's current EPSS score of 0.5577 is in the 97th percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

vulmon.com / vulnerabilitydetails
Third Party Advisory
exploit-db.com / exploits/9926
ExploitThird Party AdvisoryVDB Entry
openwall.com / lists/oss-security/2011/12/25/7
Mailing ListThird Party Advisory