CVE-2021-42228
Cross Site Request Forgery in kindeditor
A Cross Site Request Forgery (CSRF) vulnerability exists in KindEditor 4.1.x, as demonstrated by examples/uploadbutton.html.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A Cross Site Request Forgery (CSRF) vulnerability exists in KindEditor 4.1.x, as demonstrated by examples/uploadbutton.html.
- Record
CVE-2021-42228- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE List No score
A Cross Site Request Forgery (CSRF) vulnerability exists in KindEditor 4.1.x, as demonstrated by examples/uploadbutton.html.
- Record
CVE-2021-42228- Updated
- 2026-11-02
EUVDEUVD-2021-2152 No score
A Cross Site Request Forgery (CSRF) vulnerability exists in KindEditor 4.1.x, as demonstrated by examples/uploadbutton.html.
- Record
EUVD-2021-2152- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3ww4-cp53-6g2x
Cross Site Request Forgery in kindeditor
Cross Site Request Forgery (CSRF) vulnerability exists in KindEditor 4.1.x. First, you upload an html file containing csrf on the website that uses a google editor, (you only need to search in google: inurl:/examples/uploadbutton.html) and then use the authority of this website to trick users into clicking your malicious html link.
- Record
GHSA-3ww4-cp53-6g2x- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
OSV
A Cross Site Request Forgery (CSRF) vulnerability exists in KindEditor 4.1.x, as demonstrated by examples/uploadbutton.html.
- Record
CVE-2021-42228- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-3ww4-cp53-6g2x
Cross Site Request Forgery in kindeditor
Cross Site Request Forgery (CSRF) vulnerability exists in KindEditor 4.1.x. First, you upload an html file containing csrf on the website that uses a google editor, (you only need to search in google: inurl:/examples/uploadbutton.html) and then use the authority of this website to trick users into clicking your malicious html link.
- Record
GHSA-3ww4-cp53-6g2x- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kindeditornpm |
through 4.1.12 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42228 is a high vulnerability (CVSS 8.8) in Kindsoft Kindeditor, published October 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.99%, the 62nd percentile. No source names a fixed version.