CVE-2021-4263

Name: CVE-2021-4263
Creator: NVD / NIST
Published: 2022-12-21T19:15:12.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2021-4263 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability, which was classified as problematic, has been found in leanote 2.6.1. This issue affects the function define of the file public/js/plugins/history.js. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as problematic, has been found in leanote 2.6.1. This issue affects the function define of the file public/js/plugins/history.js. The manipulation of the argument content leads to cross site scripting. The attack may be initiated remotely. The identifier of the patch is 0f9733c890077942150696dcc6d2b1482b7a0a19. It is recommended to apply a patch to fix this issue. The identifier VDB-216461 was assigned to this vulnerability.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.52%

40.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Leanote	Leanote	2.6.1

References

https://github.com/leanote/leanote/commit/0f9733c890077942150696dcc6d2b1482b7a0a19Patch
https://vuldb.com/?ctiid.216461Third Party Advisory
https://vuldb.com/?id.216461Third Party Advisory
https://github.com/leanote/leanote/commit/0f9733c890077942150696dcc6d2b1482b7a0a19Patch
https://vuldb.com/?ctiid.216461Third Party Advisory
https://vuldb.com/?id.216461Third Party Advisory

Timeline

Published: Dec 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-4263?

How severe is CVE-2021-4263?

CVE-2021-4263 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4263?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-4263?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST