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CVE-2018-15563

17
FAUCET Score

CVE-2018-15563 describes a Cross-Site Scripting (XSS) vulnerability in Subrion CMS version 4.2.1, specifically within the _core/admin/pages/add/ component, exploitable via the titles[en] parameter. This vulnerability carries a CVSS v3.0 score of 6.1 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, organizations using affected versions of Subrion CMS should be aware of this potential risk.

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
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
48.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 54th percentile among its peer group of 26,236 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

Vendor Advisories (1)

composerGHSA-6wc4-v4v5-3m82medium

Subrion CMS Stored Cross-site Scripting (XSS)

May 14, 2022

References

cxsecurity.com / issue/WLB-2018090261
Third Party Advisory