CVE-2023-0963

HIGHNVD 7.39.8▲
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-02-22. NVD baseline CVSS 7.3; sources differ by 2.5.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 5%CVSS: 7.3Exploit: NoneExposed: 0

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

A vulnerability was found in SourceCodester Music Gallery Site 1.0. It has been rated as critical. This issue affects some unknown processing of the file Users.php of the component POST Request Handler. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-221633 was assigned to this vulnerability.

CVSS v3
7.3
EG Score
9.8(medium)
EG Risk
70(Track)
EG Risk 70/100SSVC: 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%
Exploitation65% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
90.8%
KEV
Not listed

Published

February 22, 2023

Last Modified

November 21, 2024

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 16× in last 7d / 46× 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.

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  72. 2026-05-25 06:17 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-51289✓ verified
    First seen Apr 6, 2023

    Music Gallery Site v1.0 - Broken Access Control

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-0963?
CVE-2023-0963 is a high vulnerability published on February 22, 2023. A vulnerability was found in SourceCodester Music Gallery Site 1.0. It has been rated as critical. This issue affects some unknown processing of the file Users.php of the component POST Request Handler. The manipulation leads to improper access controls. The attack may be initiated remotely. The…
When was CVE-2023-0963 disclosed?
CVE-2023-0963 was first published in the National Vulnerability Database on February 22, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-0963 actively exploited?
CVE-2023-0963 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-0963?
CVE-2023-0963 has a CVSS v3 base score of 7.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.
How do I remediate CVE-2023-0963?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-0963, 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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