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CVE-2018-25049

25
FAUCET Score

CVE-2018-25049 is a high-severity vulnerability affecting the email-existence project's email-existence library, specifically within its index.js file, due to inefficient regular expression complexity. This flaw allows an unauthenticated attacker to remotely trigger a denial-of-service (DoS) condition. While no public exploit code or active exploitation has been observed, and community discussion is minimal, its high CVSS score of 7.5 indicates a significant potential impact.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:email-existence_project:email-existence:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.0LOW

CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
1.5
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.72%
Probability of exploitation in next 30 days
EPSS Percentile
50.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0072 is in the 26th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Vendor Advisories (1)

npmGHSA-p27h-4cpf-fw48high

email-existence Inefficient Regular Expression Complexity vulnerability

Dec 27, 2022

References

github.com / nmanousos/email-existence/commit/0029ba71b6ad0d8ec0baa2ecc6256d038bdd9b56
PatchThird Party Advisory
github.com / nmanousos/email-existence/pull/37
PatchThird Party Advisory
vuldb.com
Third Party Advisory
vuldb.com
Permissions RequiredThird Party Advisory