Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-19738

19
FAUCET Score

CVE-2019-19738 describes a stored Cross-Site Scripting (XSS) vulnerability in MFScripts YetiShare versions 3.5.2 through 4.5.3, specifically within the log_file_viewer.php component due to insufficient sanitization of the 'lFile' parameter. This allows an unauthenticated attacker to inject malicious HTML or scripts, leading to client-side code execution with low impact on confidentiality and integrity. The vulnerability has a CVSSv3 score of 6.1 (Medium) and is rated as low risk with no known active exploitation, publicly available exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.5.2, <= 4.5.3CPE matchmatch criteria
cpe:2.3:a:mfscripts:yetishare:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
49.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0071 is in the 56th percentile among its peer group of 26,236 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / jra89/CVE-2019-19738
ExploitThird Party Advisory
medium.com / %40jra8908/yetishare-3-5-2-4-5-3-multiple-vulnerabilities-2d01d0cd7459