What is CVE-2023-49186?

CVE-2023-49186 is a high-severity vulnerability in Klbtheme Machic Core, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-01-05.

How severe is CVE-2023-49186?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2023-49186 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Klbtheme Machic Core

CVE-2023-49186

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in KlbTheme Machic Core allows DOM-Based XSS.This issue affects Machic Core: from n/a through 1.2.6.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (4.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

Affected products

Klbtheme Machic Core — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2023-49186?: CVE-2023-49186 is a high-severity vulnerability in Klbtheme Machic Core, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-01-05.
How severe is CVE-2023-49186?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2023-49186 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.