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CVE-2015-5715

16
FAUCET Score

CVE-2015-5715 describes a vulnerability in the XMLRPC subsystem of WordPress versions prior to 4.3.1, specifically within the mw_editPost function. This flaw allows authenticated users to bypass access restrictions and publish private posts, making them sticky. Rated as medium severity (CVSS 4.3), it requires low privileges and network access, with a low impact on integrity and no impact on confidentiality or availability. Despite its potential to alter content, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.3.0CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.28%
Probability of exploitation in next 30 days
EPSS Percentile
92.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0628 is in the 98th percentile among its peer group of 21,977 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

codex.wordpress.org / Version_4.3.1
PatchVendor Advisory
github.com / WordPress/WordPress/commit/9c57f3a4291f2311ae05f22c10eedeb0f69337ab
Patch
security-tracker.debian.org / tracker/CVE-2015-5715
wordpress.org / news/2015/09/wordpress-4-3-1
PatchVendor Advisory
wpvulndb.com / vulnerabilities/8188
debian.org / security/2015/dsa-3375
debian.org / security/2015/dsa-3383
securityfocus.com / bid/76748
securitytracker.com / id/1033979