CVE-2026-129170

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Source
https://cve.org/CVERecord?id=CVE-2026-129170
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-129170.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-129170
Published
2026-11-13T17:21:48Z
Modified
2026-11-14T02:47:34Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N CVSS Calculator
Summary
FileCodeBox 2.2.1 through 2.8.4 Stored XSS via Markdown Preview Parser Error
Details

FileCodeBox 2.2.1 through 2.8.4 contains a stored cross-site scripting vulnerability in renderMarkdownPreview, which returns unsanitized text when the marked parser throws. Unauthenticated attackers can share text with thousands of nested blockquote markers followed by HTML payloads, executing script that steals the admin token from localStorage.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/129xxx/CVE-2026-129170.json"
}
References

Affected packages

Git / github.com/vastsa/filecodebox

Affected ranges

Type
GIT
Repo
https://github.com/vastsa/filecodebox
Events
Introduced
387f023372cbdb910445693cfb58fcbdf5576a29
Last Affected
6f88eae8545198327ec9a064d1a757091f613662
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "2.2.1"
                },
                {
                    "last_affected": "2.8.4"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        }
    ]
}

Affected versions

V2.*
V2.3
V2.4
v2.*
v2.2.1
v2.4.0
v2.5.0
v2.5.1
v2.5.2
v2.5.3
v2.5.4
v2.5.5
v2.5.6
v2.6.0
v2.6.1
v2.7.0
v2.7.1
v2.8.0
v2.8.1
v2.8.2
v2.8.3
v2.8.4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-129170.json"