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CVE-2023-38121

24
FAUCET Score

CVE-2023-38121 is a critical cross-site scripting (XSS) vulnerability affecting Inductive Automation Ignition OPC UA Quick Client, specifically within the web interface's handling of the 'id' parameter. This flaw, rated 9.0 CRITICAL on the CVSS scale, allows remote attackers to execute arbitrary code with SYSTEM privileges due to insufficient input validation. Exploitation requires user interaction, where a target must visit a malicious page or open a malicious file. Currently, there is no public exploit code available, and the vulnerability shows minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.1.26CPE matchmatch criteria
cpe:2.3:a:inductiveautomation:ignition:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.3HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.06%
Probability of exploitation in next 30 days
EPSS Percentile
61.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0106 is in the 73rd percentile among its peer group of 265 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.6 Bluesky, 0.3 Mastodon, and 1.6 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

inductiveautomation.com / blog/inductive-automation-participates-in-pwn2own-to-strengthen-ignition-security
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-23-1012
Third Party Advisory