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CVE-2016-1000156

32
FAUCET Score

CVE-2016-1000156 describes a critical remote file upload vulnerability in Mailcwp, specifically an incomplete fix in version 1.100. This flaw allows an unauthenticated attacker to upload arbitrary files, leading to complete compromise of the affected system (CVSS 9.8 Critical). While the vulnerability is severe, there is no evidence of active exploitation, nor are there publicly available exploit modules in common frameworks like Metasploit or Nuclei, and it has garnered minimal community discussion or media attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.100CPE matchmatch criteria
cpe:2.3:a:mailcwp_project:mailcwp:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.81%
Probability of exploitation in next 30 days
EPSS Percentile
85.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0281 is in the 76th percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

wordpress.org / plugins/mailcwp
ExploitNot Applicable
vapidlabs.com / advisory.php
Third Party Advisory