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CVE-2018-16342

20
FAUCET Score

CVE-2018-16342 describes a Cross-Site Scripting (XSS) vulnerability in ShowDoc v1.8.0, specifically exploitable when creating a new page. This medium-severity vulnerability (CVSS 5.4) requires user interaction (UI:R) and authenticated access (PR:L) for an attacker to inject malicious scripts, potentially leading to limited impact on confidentiality and integrity. There is no evidence of active exploitation, readily available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.8.0CPE matchmatch criteria
cpe:2.3:a:showdoc:showdoc:1.8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0061 is in the 75th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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

Vendor Advisories (1)

composerGHSA-2263-jwgm-wv97medium

Showdoc XSS Vulnerability

May 14, 2022

References

github.com / star7th/showdoc/issues/325
ExploitIssue TrackingThird Party Advisory