Book Stack version 23.10.2 allows filtering local files on the server. This is possible because the application is vulnerable to SSRF.
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Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2023-11-21. NVD baseline CVSS 6.5; sources differ by 0.6.
Book Stack version 23.10.2 allows filtering local files on the server. This is possible because the application is vulnerable to SSRF.
November 20, 2023
May 19, 2025
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
PoC scripts to exploit LFR (Local File Read) via PHP filters chain oracle (php://filter), especially for CTF purposes or the exploit of CVE-2023-6199, etc. This's a one-script exploitation PoC modified from https://github.com/synacktiv/php_filter_chains_oracle_exploit
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-6199
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.
CWE-918