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CVE-2017-9303

22
FAUCET Score

CVE-2017-9303 affects Laravel 5.4.x versions prior to 5.4.22, stemming from improper constraint of the host portion in password-reset URLs. This vulnerability has a CVSS score of 6.1 (Medium), indicating it can be exploited remotely with low complexity, requiring user interaction, and potentially leading to low confidentiality and integrity impacts through phishing attacks. While no active exploitation, public exploit code, or significant community discussion has been observed, the vulnerability facilitates phishing by allowing attackers to specify a controlled host in password reset links.

Impacted Technologies

VendorProductVersion(s)CPE
5.4.0CPE matchmatch criteria
cpe:2.3:a:laravel:laravel:5.4.0:*:*:*:*:*:*:*

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
0.96%
Probability of exploitation in next 30 days
EPSS Percentile
57.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0096 is in the 70th percentile among its peer group of 26,234 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 (3)

composerpatch availablevia ghsa
Product: laravel/laravelFixed in: 5.4.22
composerpatch availablevia ghsa
Product: illuminate/authFixed in: 5.4.22
composerpatch availablevia ghsa
Product: laravel/frameworkFixed in: 5.4.22

Vendor Advisories (1)

composerGHSA-rc8x-jrrc-frfvmedium

Laravel does not properly constrain the host portion of a password-reset URL

May 17, 2022

References

laravel-news.com / laravel-5-4-22-is-now-released-and-includes-a-security-fix
Vendor Advisory
securityfocus.com / bid/98776
Third Party AdvisoryVDB Entry