CVE-2023-31903

CRITICALNVD 9.89.8—Elevated

9.8

GuppY CMS 6.00.10 is vulnerable to Unrestricted File Upload which allows remote attackers to execute arbitrary code by uploading a php file.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 91.4%
KEV: Not listed

Published

May 17, 2023

Last Modified

January 27, 2025

References (4)

cve@mitrehttps://github.com/blue0x1/GuppY-exploit-rce
cve@mitrehttps://www.exploit-db.com/exploits/51052
af854a3a-2127-422b-91ae-364da2661108https://github.com/blue0x1/GuppY-exploit-rce
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/51052

Weakness Classification(1)

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

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 13× 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.

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Frequently asked(5)

What is CVE-2023-31903?

CVE-2023-31903 is a critical vulnerability published on May 17, 2023. GuppY CMS 6.00.10 is vulnerable to Unrestricted File Upload which allows remote attackers to execute arbitrary code by uploading a php file.

When was CVE-2023-31903 disclosed?

CVE-2023-31903 was first published in the National Vulnerability Database on May 17, 2023, with the most recent update on January 27, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-31903 actively exploited?

CVE-2023-31903 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-31903?

CVE-2023-31903 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-31903?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-31903, 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-2023-31903

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-31903?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)