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CVE-2018-0719

20
FAUCET Score

CVE-2018-0719 describes a Cross-site Scripting (XSS) vulnerability impacting QNAP Systems Inc. QTS NAS devices, specifically versions 4.2.6 (and prior builds 20180711), 4.3.3 (and prior builds 20180725), and 4.3.4 (and prior builds 20180710). This medium-severity vulnerability (CVSS 5.5) allows authenticated attackers to inject malicious JavaScript code, potentially leading to limited impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.2.6CPE matchmatch criteria
cpe:2.3:o:qnap:qts:4.2.6:*:*:*:*:*:*:*
4.3.3CPE matchmatch criteria
cpe:2.3:o:qnap:qts:4.3.3:*:*:*:*:*:*:*
4.3.4CPE matchmatch criteria
cpe:2.3:o:qnap:qts:4.3.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.76%
Probability of exploitation in next 30 days
EPSS Percentile
51.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 86th percentile among its peer group of 15,239 CVEs.

Social Chatter

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

Remediation

Remediation records are not available for this CVE.

References

qnap.com / zh-tw/security-advisory/nas-201809-20
Vendor Advisory