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CVE-2015-5731

19
FAUCET Score

CVE-2015-5731 describes a Cross-Site Request Forgery (CSRF) vulnerability in WordPress versions prior to 4.2.4, specifically within the wp-admin/post.php component. This flaw allows an unauthenticated attacker to hijack an administrator's session to trigger a post lock, leading to a denial of service by preventing legitimate editing. The vulnerability has a CVSS score of 6.8, indicating a medium severity with network access, medium attack complexity, and potential for partial confidentiality, integrity, and availability impact. Despite its potential, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.3CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.85%
Probability of exploitation in next 30 days
EPSS Percentile
89.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0385 is in the 85th percentile among its peer group of 19,958 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

openwall.com / lists/oss-security/2015/08/04/7
codex.wordpress.org / Version_4.2.4
PatchVendor Advisory
core.trac.wordpress.org / changeset/33542
core.trac.wordpress.org / changeset/33543
wordpress.org / news/2015/08/wordpress-4-2-4-security-and-maintenance-release
PatchVendor Advisory
debian.org / security/2015/dsa-3332
debian.org / security/2015/dsa-3383
securityfocus.com / bid/76160
securitytracker.com / id/1033178