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CVE-2016-4812

21
FAUCET Score

CVE-2016-4812 describes a cross-site scripting (XSS) vulnerability in the Markdown on Save Improved plugin for WordPress, affecting versions prior to 2.5.1. This medium-severity vulnerability (CVSS 6.1) allows remote attackers to inject arbitrary web script or HTML through unspecified vectors, potentially leading to client-side attacks and information disclosure. Despite its potential impact, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.5CPE matchmatch criteria
cpe:2.3:a:markdown_on_saved_improved_project:markdown_on_saved_improved:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.51%
Probability of exploitation in next 30 days
EPSS Percentile
71.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0151 is in the 84th percentile among its peer group of 26,219 CVEs.

Social Chatter

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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvndb.jvn.jp / jvndb/JVNDB-2016-000071
Vendor Advisory
jvn.jp / en/jp/JVN26026353/index.html
Vendor Advisory
srd.wordpress.org / plugins/markdown-on-save-improved/changelog
Vendor Advisory