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CVE-2018-16638

20
FAUCET Score

CVE-2018-16638 describes a Cross-Site Scripting (XSS) vulnerability in Evolution CMS version 1.4.x, specifically within the manager/ search parameter. This medium-severity flaw (CVSS 5.4) can be exploited with low attack complexity by an authenticated user, requiring user interaction, and could lead to limited confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.4.0, <= 1.4.7CPE matchmatch criteria
cpe:2.3:a:modx:evolution_cms:*:*:*:*:*:*:*:*

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
0.57%
Probability of exploitation in next 30 days
EPSS Percentile
43.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0057 is in the 71st percentile among its peer group of 15,224 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

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: evolutioncms/evolutionFixed in: 1.4.6

Vendor Advisories (1)

composerGHSA-9mfc-gr8c-xj4mmedium

Evolution CMS Cross-site Scripting (XSS)

May 14, 2022

References

github.com / security-breachlock/CVE-2018-16638/blob/master/evolution_xss_reflected.pdf
ExploitThird Party Advisory