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-2023-5556

25
FAUCET Score

CVE-2023-5556 is a reflected Cross-site Scripting (XSS) vulnerability affecting the structurizr/onpremises GitHub repository prior to version 3194. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low attack complexity, requiring user interaction, and could lead to limited impact on confidentiality and integrity. While not currently in CISA's KEV catalog, a Nuclei template exists for detection, but there is no evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3194CPE matchmatch criteria
cpe:2.3:a:structurizr:on-premises_installation:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.22%
Probability of exploitation in next 30 days
EPSS Percentile
65.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2023-5556 · Nov 17, 2023
This CVE's current EPSS score of 0.0122 is in the 78th percentile among its peer group of 26,219 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / structurizr/onpremises/commit/6cff4f792b010dfb1ff6a0b4ae1c6e398f8f8a18
Patch
huntr.dev / bounties/a3ee0f98-6898-41ae-b1bd-242a03a73d1b
ExploitPatchThird Party Advisory