CVE-2023-4191

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.8%, top 47% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability, which was classified as critical, has been found in SourceCodester Resort Reservation System 1.0. Affected by this issue is some unknown functionality of the file index.php. The manipulation of the argument page leads to file inclusion. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-236234 is the identifier assigned to this vulnerability.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
53.4%
KEV
Not listed

Published

August 6, 2023

Last Modified

June 17, 2026

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 48× 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.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-23 02:26 UTCEG score recompute
  2. 2026-07-22 23:12 UTCEG score recompute▲ 3.50
  3. 2026-07-22 14:06 UTCEPSS rescore
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  21. 2026-06-24 06:20 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  22. 2026-06-23 21:31 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2023-4191?
CVE-2023-4191 is a critical vulnerability published on August 6, 2023. A vulnerability, which was classified as critical, has been found in SourceCodester Resort Reservation System 1.0. Affected by this issue is some unknown functionality of the file index.php. The manipulation of the argument page leads to file inclusion. The attack may be launched remotely. The…
When was CVE-2023-4191 disclosed?
CVE-2023-4191 was first published in the National Vulnerability Database on August 6, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-4191 actively exploited?
CVE-2023-4191 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-4191?
CVE-2023-4191 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-4191?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-4191, 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.

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