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TI-2021-03121 Aliases CVE-2021-4263GHSA-6cmv-2548-82v4

leanote history.js define cross site scripting

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00563 47th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—leanote2.6.1—No fix listedCNA
—github.com/leanote/leanote (Go)up to 2.6.1—No fix listedGHSA-6cmv-2548-82v4
  • leanote Vendor— Affected 2.6.1 Fixed in — No fix listed CNA
  • github.com/leanote/leanote (Go) Vendor— Affected up to 2.6.1 Fixed in — No fix listed GHSA-6cmv-2548-82v4

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:leanote:leanote:2.6.1:*:*:*:*:*:*:*2.6.1VulnerableLeanote
  • cpe:2.3:a:leanote:leanote:2.6.1:*:*:*:*:*:*:* Versions 2.6.1 Vulnerable ·Leanote

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-4263
  2. 2026-10-03 Alias added: GHSA-6cmv-2548-82v4

References

Patch 1

Advisory 1

Other 1

  • TI-2020-15992 Leanote Desktop through 2.6.2 allows XSS because a note's title is mishandled when the… CVSS 3.1CRITICAL 9.6
  • TI-2020-15991 Leanote Desktop through 2.6.2 allows XSS because a note's title is mishandled during… CVSS 3.1CRITICAL 9.6
  • TI-2021-19542 Leanote 2.7.0 is vulnerable to Cross Site Scripting (XSS) in the markdown type note. CVSS 3.1MEDIUM 6.1
  • TI-2018-13119 Leanote 2.6.1 has XSS via the Blog Basic Setting title field, which is mishandled during rendering of the "likes" page. CVSS 3.0MEDIUM 6.1
  • TI-2017-14670 Leanote version <= 2.5 is vulnerable to XSS due to not sanitized input in markdown notes CVSS 3.0MEDIUM 6.1
  • TI-2019-15945 Leanote prior to version 2.6 is affected by: Cross Site Scripting (XSS). CVSS 3.0MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences