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CVE-2018-20962

19
FAUCET Score

CVE-2018-20962 describes a Cross-Site Scripting (XSS) vulnerability in the Backpack\CRUD component of Backpack for Laravel, specifically affecting versions prior to 3.4.9, through its select field type. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low attack complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. There is currently 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
< 3.4.9CPE matchmatch criteria
cpe:2.3:a:backpackforlaravel:backpack\\crud:*:*:*:*:*:*:*:*

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
1.31%
Probability of exploitation in next 30 days
EPSS Percentile
67.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0131 is in the 80th 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 (2)

composerpatch availablevia ghsa
Product: backpack/crudFixed in: 3.4.9
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-6gfm-gpr3-8wh9medium

Backpack\CRUD for Laravel XSS Vulnerability

May 24, 2022

References

github.com / Laravel-Backpack/CRUD/blob/master/CHANGELOG.md
Release NotesThird Party Advisory
github.com / Laravel-Backpack/CRUD/commit/8b6bd0a2d489a4690f6b1d7ace67e2f07f5f0cc6
PatchThird Party Advisory
github.com / Laravel-Backpack/CRUD/compare/3.4.8...3.4.9
PatchThird Party Advisory
github.com / Laravel-Backpack/CRUD/issues/1297
ExploitIssue TrackingThird Party Advisory