CVE-2026-91942

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Source

https://cve.org/CVERecord?id=CVE-2026-91942

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91942.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-91942

Aliases

GHSA-7g3g-vhm6-79f3

Published

2026-09-15T15:18:02Z

Modified

2026-09-18T03:30:50Z

Severity

5.1 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N CVSS Calculator

Summary

crawl4ai before 0.9.3 Cross-Site Scripting via innerHTML

Details

crawl4ai before 0.9.3 contains a DOM-based cross-site scripting vulnerability in the Docker Playground UI that assigns untrusted crawl results to element.innerHTML. Attackers can craft malicious PDFs with event-handler markup to execute JavaScript in the Playground origin and steal API tokens from sessionStorage for authenticated API abuse.

Database specific

{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91942.json"
}

References

Affected packages

Git / github.com/unclecode/crawl4ai

Affected ranges

Type

GIT

Repo

https://github.com/unclecode/crawl4ai

Events

Introduced

Fixed

4bcd5fa8a56000ce103dd499e8ecdff2439f3e9c

Database specific

Show details

{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.9.3"
        },
        {
            "introduced": "crawl4ai"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

0.*

0.3.4

docker-rebuild-v0.*

docker-rebuild-v0.8.6

docker-rebuild-v0.8.7

docker-rebuild-v0.8.8

docker-rebuild-v0.8.9

docker-rebuild-v0.9.0

docker-rebuild-v0.9.1

docker-rebuild-v0.9.2

v.*

v.3.72

v0.*

v0.0.75

v0.1.0

v0.2.0

v0.2.1

v0.2.4

v0.2.6

v0.2.7

v0.2.71

v0.2.72

v0.2.73

v0.2.74

v0.2.77

v0.3.0

v0.3.3

v0.3.6

v0.3.745

v0.4.24

v0.4.243

v0.5.0.post1

v0.6.3

v0.7.0

v0.7.1

v0.7.2

v0.7.3

v0.7.4

v0.8.6

v0.8.7

v0.8.8

v0.8.9

v0.9.0

v0.9.1

v0.9.2

vr0.*

vr0.6.0

vr0.6.0rc1

vr0.6.3

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91942.json"