What is CVE-2023-51501?

CVE-2023-51501 is a high-severity vulnerability in Undsgn Uncode, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2023-12-28.

How severe is CVE-2023-51501?

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

Is CVE-2023-51501 known to be exploited?

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

XSS in Undsgn Uncode

CVE-2023-51501

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Undsgn Uncode - Creative & WooCommerce WordPress Theme allows Reflected XSS.This issue affects Uncode - Creative & WooCommerce WordPress Theme: from n/a through 2.8.6.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-12-28 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.004 (26.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

patchstack.com/database/vulnerability/uncode-core/wordpress-uncode-core-plugin-… (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2023-51501?: CVE-2023-51501 is a high-severity vulnerability in Undsgn Uncode, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2023-12-28.
How severe is CVE-2023-51501?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2023-51501 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.