CVE-2018-16731

CRITICALNVD 9.89.8—Trending — 3 sources updated this week

9.8

CScms 4.1 allows arbitrary file upload by (for example) adding the php extension to the default filetype list (gif, jpg, png), and then providing a .php pathname within fileurl JSON data.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 61.7%
KEV: Not listed

Published

September 8, 2018

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://github.com/AvaterXXX/CScms/blob/master/CScms_up.md
cve@mitrehttps://www.patec.cn/newsshow.php?cid=24&id=123
af854a3a-2127-422b-91ae-364da2661108https://github.com/AvaterXXX/CScms/blob/master/CScms_up.md
af854a3a-2127-422b-91ae-364da2661108https://www.patec.cn/newsshow.php?cid=24&id=123

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 12× in last 7d / 18× 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.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 03:23 UTCEG score recompute
2026-05-28 03:23 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-16731?

CVE-2018-16731 is a critical vulnerability published on September 8, 2018. CScms 4.1 allows arbitrary file upload by (for example) adding the php extension to the default filetype list (gif, jpg, png), and then providing a .php pathname within fileurl JSON data.

When was CVE-2018-16731 disclosed?

CVE-2018-16731 was first published in the National Vulnerability Database on September 8, 2018, 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-2018-16731 actively exploited?

CVE-2018-16731 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 61.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-16731?

CVE-2018-16731 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-16731?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-16731, 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-2018-16731

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-16731?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)