What is CVE-2024-53387?

CVE-2024-53387 is a high-severity vulnerability in Umeditor Project, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2025-03-03.

How severe is CVE-2024-53387?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2024-53387 known to be exploited?

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

XSS in Umeditor Project

CVE-2024-53387

A DOM Clobbering vulnerability in umeditor v1.2.3 allows attackers to execute arbitrary code via supplying a crafted HTML element.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-03-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.0th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Umeditor Project — versions 1.2.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

jackfromeast/dom-clobbering-collection

References

gist.github.com/jackfromeast/d52c506113f33b8871d0e647411df894 (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2024-53387?: CVE-2024-53387 is a high-severity vulnerability in Umeditor Project, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2025-03-03.
How severe is CVE-2024-53387?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-53387 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.