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CVE-2023-4451

30
FAUCET Score

CVE-2023-4451 is a reflected Cross-Site Scripting (XSS) vulnerability affecting the cockpit-hq/cockpit GitHub repository prior to version 2.6.4. This medium-severity vulnerability (CVSS 6.1) can be exploited with low attack complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. While no active exploitation or Metasploit/ExploitDB entries are reported, a Nuclei template for this XSS exists, and it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.3CPE matchmatch criteria
cpe:2.3:a:agentejo:cockpit:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
2.29%
Probability of exploitation in next 30 days
EPSS Percentile
81.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2023-4451 · Oct 11, 2023
This CVE's current EPSS score of 0.0229 is in the 91st percentile among its peer group of 26,221 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-g3mv-64h3-h482medium

Cockpit Cross-site Scripting vulnerability

Aug 20, 2023

References

github.com / MarkLee131/awesome-web-pocs/blob/main/CVE-2023-4451.md
github.com / cockpit-hq/cockpit/commit/30609466c817e39f9de1871559603e93cd4d0d0c
Patch
huntr.dev / bounties/4e111c3e-6cf3-4b4c-b3c1-a540bf30f8fa
ExploitPatchThird Party Advisory