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CVE-2018-14840

32
FAUCET Score

CVE-2018-14840 describes a Cross-Site Scripting (XSS) vulnerability in Subrion CMS version 4.2.1, specifically due to insufficient filtering of file uploads in the uploads/.htaccess configuration. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low attack complexity, requiring user interaction, and could lead to information disclosure and data integrity issues. While not actively exploited in the wild and lacking Metasploit or Nuclei modules, a public exploit (EDB-45150) exists, though community discussion and media coverage remain minimal.

Impacted Technologies

VendorProductVersion(s)CPE
4.2.1CPE matchmatch criteria
cpe:2.3:a:intelliants:subrion:4.2.1:*:*:*:*:*:*:*

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
3.67%
Probability of exploitation in next 30 days
EPSS Percentile
88.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-45150 · Aug 6, 2018
This CVE's current EPSS score of 0.0367 is in the 95th 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

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: intelliants/subrionFixed in: 4.2.2
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-vhqr-3gr2-7px9medium

Subrion CMS Cross-site Scripting

May 14, 2022

References

github.com / intelliants/subrion/commit/cb10ac2294cb2c3a6d2159f9a2bb8c58a2a10a47
PatchThird Party Advisory
github.com / intelliants/subrion/issues/773
Third Party Advisory
exploit-db.com / exploits/45150
ExploitThird Party AdvisoryVDB Entry