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CVE-2015-4038

29
FAUCET Score

CVE-2015-4038 describes a privilege escalation vulnerability in WP Membership plugin version 1.2.3 for WordPress, allowing authenticated users to gain administrator privileges. With a CVSS score of 6.5, this high-severity flaw can be exploited remotely with low attack complexity, potentially leading to compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, public exploit code exists on ExploitDB, though there is minimal community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.3CPE matchmatch criteria
cpe:2.3:a:wpmembership:wpmembership:1.2.3:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 2.0

6.5MEDIUM

AV:N/AC:L/Au:S/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.31%
Probability of exploitation in next 30 days
EPSS Percentile
94.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-37074 · May 21, 2015
This CVE's current EPSS score of 0.0831 is in the 98th percentile among its peer group of 21,974 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/132012/WordPress-WP-Membership-1.2.3-Privilege-Escalation.html
Exploit
wpvulndb.com / vulnerabilities/7998
securityfocus.com / archive/1/535587/100/0/threaded
securityfocus.com / archive/1/535652/100/0/threaded
securityfocus.com / bid/74766