CVE-2021-20727

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Source
https://cve.org/CVERecord?id=CVE-2021-20727
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20727.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-20727
Published
2021-05-27T09:15:07.533Z
Modified
2026-04-02T06:48:14.688894Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

Cross-site scripting vulnerability in Zettlr from 0.20.0 to 1.8.8 allows an attacker to execute an arbitrary script by loading a file or code snippet containing an invalid iframe into Zettlr.

References

Affected packages

Git / github.com/zettlr/zettlr

Affected ranges

Type
GIT
Repo
https://github.com/zettlr/zettlr
Events
Introduced
3beb5ccc97da020b1b48a256c1cfd1a146514710
Last affected
4d72f9c9c7f3703c850996ad3142336c61fa4f3c
Database specific 
{
    "versions": [
        {
            "introduced": "0.20.0"
        },
        {
            "last_affected": "1.8.8"
        }
    ]
}

Affected versions

1.*
1.8.0
1.8.0-alpha.1
1.8.0-alpha.2
1.8.0-alpha.3
1.8.0-beta
1.8.0-beta.1
1.8.0-beta.2
1.8.0-beta.3
1.8.0-beta.4
v0.*
v0.20.0
v1.*
v1.0.0
v1.1.0
v1.2.0
v1.2.0-beta
v1.2.0-beta.1
v1.2.1
v1.2.2
v1.2.3
v1.3.0
v1.3.0-alpha
v1.3.0-beta
v1.3.0-beta.1
v1.3.0-beta.2
v1.4.0
v1.4.0-beta
v1.4.0-beta.1
v1.4.0-beta.2
v1.4.1
v1.4.2
v1.4.3
v1.5.0
v1.5.0-beta
v1.5.0-beta.1
v1.5.0-beta.2
v1.6.0
v1.6.0-beta
v1.6.0-beta.1
v1.6.0-beta.2
v1.6.0-beta.3
v1.6.0-beta.4
v1.6.0-beta.5
v1.7.0
v1.7.0-beta
v1.7.0-beta.1
v1.7.0-beta.10
v1.7.0-beta.11
v1.7.0-beta.12
v1.7.0-beta.13
v1.7.0-beta.2
v1.7.0-beta.3
v1.7.0-beta.4
v1.7.0-beta.5
v1.7.0-beta.6
v1.7.0-beta.7
v1.7.0-beta.8
v1.7.0-beta.9
v1.7.1
v1.7.2
v1.7.3
v1.7.4
v1.7.5
v1.8.0
v1.8.0-alpha
v1.8.1
v1.8.2
v1.8.3
v1.8.4
v1.8.5
v1.8.6
v1.8.7
v1.8.8

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20727.json"