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CVE-2017-11593

17
FAUCET Score

CVE-2017-11593 is a cross-site scripting (XSS) vulnerability affecting the Markdown Preview Plus extension for Chrome, specifically versions prior to 0.5.7. This flaw allows remote attackers to inject malicious web script or HTML into web applications by uploading and displaying specially crafted text, markdown, or rst files that are inadequately sanitized when converted to HTML. Rated as Medium severity (CVSS 6.1), it requires user interaction and can lead to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.4.5CPE matchmatch criteria
cpe:2.3:a:ooso:markdown_preview_plus:*:*:*:*:*:chrome:*:*

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
0.76%
Probability of exploitation in next 30 days
EPSS Percentile
51.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 59th percentile among its peer group of 26,219 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 0.1 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

github.com / volca/markdown-preview/commit/1181f044a5457d5e1ac35804ecd84e05977f1920
PatchVendor Advisory
github.com / volca/markdown-preview/issues/60
ExploitIssue TrackingThird Party Advisory