Mailcwp remote file upload vulnerability incomplete fix v1.100

published 2016-12-14 9y ago modified 2026-06-17 4mo ago also EUVD-2016-1100

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.8%; EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits: 0; none known

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Exploit prediction

2.81% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

wordpress.org https://wordpress.org/plugins/mailcwp/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-284 Improper Access Control

Technology feeds

WordPress rss critical rss

References

wordpress.org /plugins/mailcwp/
exploit, not-applicable
vapidlabs.com /advisory.php?v=175
third-party-advisory

Sources

CVE List CVE-2016-1000156
NVD CVE-2016-1000156

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