HOMEVULNERABILITIESCVE-2019-12099
HIGHPOC

CVE-2019-12099

CWE-434Published: May 14, 2019· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

In PHP-Fusion 9.03.00, edit_profile.php allows remote authenticated users to execute arbitrary code because includes/dynamics/includes/form_fileinput.php and includes/classes/PHPFusion/Installer/Lib/Core.settings.inc mishandle executable files during avatar upload.

NVD Source

Technical Analysis

CVE-2019-12099 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

A proof-of-concept (PoC) exploit exists for CVE-2019-12099. 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 ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

php-fusion1 product(s)
php-fusion
Source: NVD CPE · 1 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

PATCHhttps://github.com/php-fusion/PHP-Fusion/commit/943432028b9e674433bb3f2a128b2477134110e6
PATCHhttps://github.com/php-fusion/PHP-Fusion/commit/943432028b9e674433bb3f2a128b2477134110e6
ADVISORYhttps://www.exploit-db.com/exploits/46839
ADVISORYhttps://www.pentest.com.tr/exploits/PHP-Fusion-9-03-00-Edit-Profile-Remote-Code-Execution.html
ADVISORYhttps://www.exploit-db.com/exploits/46839
ADVISORYhttps://www.pentest.com.tr/exploits/PHP-Fusion-9-03-00-Edit-Profile-Remote-Code-Execution.html

All References (6)

→
https://github.com/php-fusion/PHP-Fusion/commit/943432028b9e674433bb3f2a128b2477134110e6Patch · Third Party Advisory
→
https://www.exploit-db.com/exploits/46839Exploit · Third Party Advisory · VDB Entry
→
https://www.pentest.com.tr/exploits/PHP-Fusion-9-03-00-Edit-Profile-Remote-Code-Execution.htmlExploit · Third Party Advisory
→
https://github.com/php-fusion/PHP-Fusion/commit/943432028b9e674433bb3f2a128b2477134110e6Patch · Third Party Advisory
→
https://www.exploit-db.com/exploits/46839Exploit · Third Party Advisory · VDB Entry
→
https://www.pentest.com.tr/exploits/PHP-Fusion-9-03-00-Edit-Profile-Remote-Code-Execution.htmlExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2019-12099
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-434
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedMay 14, 2019

Related CVEs (CWE-434)

CVE-2025-47641
10.0
CVE-2025-39401
10.0
CVE-2025-47577
10.0
CVE-2025-47637
10.0
CVE-2025-39380
10.0
CVE-2025-47642
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-12099 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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