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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-20837

18
FAUCET Score

CVE-2018-20837 is a Cross-Site Scripting (XSS) vulnerability found in Typesetter CMS version 5.1, specifically within the include/admin/Menu/Ajax.php component. This medium-severity vulnerability (CVSS 4.8) requires high privileges and user interaction to exploit, allowing an attacker to inject malicious scripts through the 'title' parameter, potentially leading to limited impact on confidentiality and integrity. There is no evidence of active exploitation, nor are there publicly available exploits in Metasploit or ExploitDB, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.1CPE matchmatch criteria
cpe:2.3:a:typesettercms:typesetter:5.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.75%
Probability of exploitation in next 30 days
EPSS Percentile
51.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 89th percentile among its peer group of 4,937 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)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / Typesetter/Typesetter/commit/fd637e2919e7f77c498a91a8e9d353f8e12afc9a
PatchThird Party Advisory
netsparker.com / web-applications-advisories/ns-18-026-reflected-cross-site-scripting-in-typesetter
ExploitThird Party Advisory