CVE-2026-50733

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Source
https://cve.org/CVERecord?id=CVE-2026-50733
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-50733.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-50733
Published
2026-06-05T17:49:53Z
Modified
2026-08-12T03:51:29Z
Severity
  • 8.6 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
Markdown Preview Enhanced Arbitrary Code Execution via WaveDrom eval()
Details

Markdown Preview Enhanced before 0.8.28 parses WaveDrom diagrams by evaluating untrusted markdown content with eval(), allowing arbitrary JavaScript execution. The flaw affects every render path - the live preview (window.eval) and presentation mode plus HTML export (the bundled WaveDrom.ProcessAll()/eva() helpers) - and can also be triggered through a

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-95"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50733.json"
}
References

Affected packages

Git / github.com/shd101wyy/vscode-markdown-preview-enhanced

Affected ranges

Type
GIT
Repo
https://github.com/shd101wyy/vscode-markdown-preview-enhanced
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
dcd80281c986293b93d9f1af34ced64dcb230c77
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.8.28"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION",
        "REFERENCES"
    ]
}

Affected versions

0.*
0.0.8
0.0.9
0.1.0
0.1.1
0.1.2
0.1.3
0.1.4
0.1.5
0.1.6
0.1.7
0.1.8
0.1.9
0.2.0
0.2.1
0.2.2
0.2.3
0.2.4
0.2.5
0.2.6
0.2.7
0.2.8
0.2.9
0.3.0
0.3.1
0.3.10
0.3.11
0.3.12
0.3.13
0.3.2
0.3.3
0.3.4
0.3.5
0.3.6
0.3.7
0.3.8
0.3.9
0.4.0
0.4.1
0.4.2
0.4.3
0.5.0
0.5.1
0.7.10
0.7.7
0.7.8
0.7.9
0.8.0
0.8.1
0.8.10
0.8.11
0.8.12
0.8.13
0.8.14
0.8.15
0.8.16
0.8.17
0.8.18
0.8.19
0.8.2
0.8.20
0.8.21
0.8.23
0.8.24
0.8.25
0.8.26
0.8.27
0.8.3
0.8.4
0.8.5
0.8.6
0.8.7
0.8.8
0.8.9
v0.*
v0.3.12
v0.3.13
v0.4.1
v0.4.2
v0.4.3
v0.5.1
v0.5.10
v0.5.11
v0.5.12
v0.5.13
v0.5.14
v0.5.15
v0.5.16
v0.5.17
v0.5.18
v0.5.2
v0.5.20
v0.5.21
v0.5.22
v0.5.3
v0.5.4
v0.5.8
v0.5.9
v0.6.0
v0.6.1
v0.6.10
v0.6.2
v0.6.3
v0.6.5
v0.6.6
v0.6.7
v0.6.8
v0.7.0
v0.7.1
v0.7.2
v0.7.3
v0.7.4
v0.7.5
v0.7.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-50733.json"