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CVE-2019-17399

30
FAUCET Score

CVE-2019-17399 describes a critical path traversal vulnerability in the Shack Forms Pro extension for Joomla! prior to version 4.0.32. This flaw allows an unauthenticated attacker to manipulate file paths via a file attachment, leading to severe impacts on confidentiality, integrity, and availability. Despite its critical CVSS score of 9.8, there is currently no public exploit code (Metasploit, Nuclei, ExploitDB) available, nor is it listed on CISA's KEV catalog, suggesting a lack of active exploitation. Furthermore, community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.0.32CPE matchmatch criteria
cpe:2.3:a:joomlashack:shack_forms_pro:*:*:*:*:*: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
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 63rd percentile among its peer group of 36,829 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

joomlashack.com / changelog/shack-forms
Release NotesVendor Advisory