CVE-2024-53387: A DOM Clobbering vulnerability in umeditor v1.2.3 allows attackers to execute arbitrary code via supplying a c

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HIGH 8.8DOWNGRADE

CVE-2024-53387 is a high-severity flaw (CVSS 8.8) affecting umeditor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-03-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: umeditor project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-03-03 17:15 UTCPublished CVE record published
2026-06-17 08:08 UTCUpdated Record last modified

umeditor project umeditor DOWNGRADE

Affected: 1.2.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.3

1. Check installed version

apt-cache policy umeditor || rpm -q umeditor || umeditor --version

2. No fixed release: DOWNGRADE to a release before 1.2.3 (Debian / Ubuntu)

apt-cache madison umeditor sudo apt install umeditor=<VERSION_BEFORE_1.2.3> sudo apt-mark hold umeditor

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list umeditor sudo dnf downgrade umeditor-<VERSION_BEFORE_1.2.3> sudo dnf versionlock add umeditor

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-53387?

umeditor: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-53387 being exploited?

CVE-2024-53387 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-53387 affect?

CVE-2024-53387 affects umeditor. Severity is high (CVSS 8.8). A DOM Clobbering vulnerability in umeditor v1.2.3 allows attackers to execute arbitrary code via supplying a crafted HTML element.

How urgent is CVE-2024-53387?

Priority 48/100. High severity; Public exploit reference

References

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