CVE-2023-46303

HIGHNVD 7.57.5—Elevated

7.5

link_to_local_path in ebooks/conversion/plugins/html_input.py in calibre before 6.19.0 can, by default, add resources outside of the document root.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 68.8%
KEV: Not listed

Published

October 22, 2023

Last Modified

November 4, 2025

References (5)

cve@mitrehttps://github.com/0x1717/ssrf-via-img
cve@mitrehttps://github.com/kovidgoyal/calibre/compare/v6.18.1...v6.19.0
af854a3a-2127-422b-91ae-364da2661108https://github.com/0x1717/ssrf-via-img
af854a3a-2127-422b-91ae-364da2661108https://github.com/kovidgoyal/calibre/compare/v6.18.1...v6.19.0
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/09/msg00005.html

Weakness Classification(1)

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

CWE-918Server-Side Request Forgery (SSRF)

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-46303?

CVE-2023-46303 is a high vulnerability published on October 22, 2023. linktolocalpath in ebooks/conversion/plugins/htmlinput.py in calibre before 6.19.0 can, by default, add resources outside of the document root.

When was CVE-2023-46303 disclosed?

CVE-2023-46303 was first published in the National Vulnerability Database on October 22, 2023, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-46303 actively exploited?

CVE-2023-46303 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-46303?

CVE-2023-46303 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-46303?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-46303, 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-2023-46303

📅 Published

🔄 Last Modified

🔗 References (5)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-46303?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (5)

Frequently asked(5)

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