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CVE-2018-18635

21
FAUCET Score

CVE-2018-18635 is a Cross-Site Scripting (XSS) vulnerability found in the administration login interface of MailCleaner CE versions 2018.08 and 2018.09. An attacker can inject malicious scripts via the admin/login/user/message/ PATH_INFO parameter. This vulnerability has a CVSS v3.0 score of 6.1 (Medium), indicating it can be exploited remotely with low complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2018.08CPE matchmatch criteria
cpe:2.3:a:mailcleaner:mailcleaner:2018.08:*:*:*:community:*:*:*
2018.09CPE matchmatch criteria
cpe:2.3:a:mailcleaner:mailcleaner:2018.09:*:*:*:community:*:*:*

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
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0095 is in the 70th 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 (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / MailCleaner/MailCleaner/commit/5f90a52785672fc688c1f85e472e84b8a0d008d8
PatchThird Party Advisory
github.com / MailCleaner/MailCleaner/issues/53
ExploitPatchThird Party Advisory