CVE-2021-37267: Cross Site Scripting (XSS) vulnerability exists in all versions of KindEditor, which can be exploited by an at

Routine

MEDIUM 6.1MITIGATE

CVE-2021-37267 is a medium-severity flaw (CVSS 6.1) affecting kindeditor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting (XSS) vulnerability exists in all versions of KindEditor, which can be exploited by an attacker to obtain user cookie information.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-09-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: kindsoft

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

Am I affected?

Timeline

2021-09-28 19:15 UTCPublished CVE record published
2026-06-17 04:00 UTCUpdated Record last modified

kindsoft kindeditor MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2021-37267?

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

Is CVE-2021-37267 being exploited?

CVE-2021-37267 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-2021-37267 affect?

CVE-2021-37267 affects kindeditor. Severity is medium (CVSS 6.1). Cross Site Scripting (XSS) vulnerability exists in all versions of KindEditor, which can be exploited by an attacker to obtain user cookie information.

How urgent is CVE-2021-37267?

Priority 33/100. No elevated risk signals yet.

Related CVEs

CVE-2021-42228 HIGH 8.8 UPGRADE A Cross Site Request Forgery (CSRF) vulnerability exists in KindEditor 4.1.x, as demonstrated by examples/uplo
CVE-2021-42227 MEDIUM 6.1 UPGRADE Cross SIte Scripting (XSS) vulnerability exists in KindEditor 4.1.x via a Google search inurl:/examples/upload
CVE-2021-30086 MEDIUM 6.1 DOWNGRADE Cross Site Scripting (XSS) vulnerability exists in KindEditor (Chinese versions) 4.1.12, which can be exploite
CVE-2020-28717 MEDIUM 6.1 DOWNGRADE Cross Site Scripting (XSS) vulnerability in content1 parameter in demo.jsp in kindsoft kindeditor version 4.1.
CVE-2019-7543 MEDIUM 6.1 DOWNGRADE In KindEditor 4.1.11, the php/demo.php content1 parameter has a reflected Cross-site Scripting (XSS) vulnerabi

References

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