CVE-2023-39612

CRITICALNVD 9.09.0—Elevated

9.0

A cross-site scripting (XSS) vulnerability in FileBrowser before v2.23.0 allows an authenticated attacker to escalate privileges to Administrator via user interaction with a crafted HTML file or URL.

CVSS v3: 9.0
EG Score: 9.0(medium)
EPSS: 49.3%
KEV: Not listed

Published

September 16, 2023

Last Modified

March 27, 2025

References (6)

cve@mitrehttps://febin0x4e4a.wordpress.com/2023/09/15/xss-in-filebrowser-leads-to-admin-account-takeover-in-filebrowser/
cve@mitrehttps://github.com/filebrowser/filebrowser/commit/b508ac3d4f7f0f75d6b49c99bdc661a6d2173f30
cve@mitrehttps://github.com/filebrowser/filebrowser/issues/2570
af854a3a-2127-422b-91ae-364da2661108https://febin0x4e4a.wordpress.com/2023/09/15/xss-in-filebrowser-leads-to-admin-account-takeover-in-filebrowser/
af854a3a-2127-422b-91ae-364da2661108https://github.com/filebrowser/filebrowser/commit/b508ac3d4f7f0f75d6b49c99bdc661a6d2173f30
af854a3a-2127-422b-91ae-364da2661108https://github.com/filebrowser/filebrowser/issues/2570

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 13× in last 7d / 60× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
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2026-06-10 13:21 UTCEPSS rescore
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2026-06-09 20:47 UTCOSV refresh
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2026-05-24 17:31 UTCEG score recompute
2026-05-24 17:31 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-39612?

CVE-2023-39612 is a critical vulnerability published on September 16, 2023. A cross-site scripting (XSS) vulnerability in FileBrowser before v2.23.0 allows an authenticated attacker to escalate privileges to Administrator via user interaction with a crafted HTML file or URL.

When was CVE-2023-39612 disclosed?

CVE-2023-39612 was first published in the National Vulnerability Database on September 16, 2023, with the most recent update on March 27, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-39612 actively exploited?

CVE-2023-39612 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 49.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-39612?

CVE-2023-39612 has a CVSS v3 base score of 9.0 (NVD).

How do I remediate CVE-2023-39612?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-39612, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-39612

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-39612?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)