CVE-2018-20962

Backpack\CRUD for Laravel XSS Vulnerability

6.1 MediumFix available

The Backpack\CRUD Backpack component before 3.4.9 for Laravel allows XSS via the select field type.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

1.31%Up 0.3 points since Apr 14, 2021

What each source reports

NVD Score used 6.1

The Backpack\CRUD Backpack component before 3.4.9 for Laravel allows XSS via the select field type.

Record: CVE-2018-20962
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

The Backpack\CRUD Backpack component before 3.4.9 for Laravel allows XSS via the select field type.

Record: CVE-2018-20962
Updated: 2026-11-02

EUVDEUVD-2022-2792 No score

The Backpack\CRUD Backpack component before 3.4.9 for Laravel allows XSS via the select field type.

Record: EUVD-2022-2792
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6gfm-gpr3-8wh9 6.1

Backpack\CRUD for Laravel XSS Vulnerability

The Backpack\CRUD Backpack component before 3.4.9 for Laravel allows XSS via the select field type.

Record: GHSA-6gfm-gpr3-8wh9
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 6.1

The Backpack\CRUD Backpack component before 3.4.9 for Laravel allows XSS via the select field type.

Record: CVE-2018-20962
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVGHSA-6gfm-gpr3-8wh9 6.1

Backpack\CRUD for Laravel XSS Vulnerability

The Backpack\CRUD Backpack component before 3.4.9 for Laravel allows XSS via the select field type.

Record: GHSA-6gfm-gpr3-8wh9
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

backpackforlaravel backpack\\crud

Affected packages

Affected packages
Package	Affected	Fixed
`backpack/crud` Packagist	before 3.4.9	3.4.9
`backpack/crud` Packagist	before 3.4.9, plus listed versions 0.4.10.5.00.5.10.5.100.5.9 Show 45 moreShow less 0.6.00.6.10.6.20.6.30.6.40.6.50.70.7.10.7.20.7.30.7.40.7.50.7.60.7.70.7.80.7.90.8.00.8.10.8.100.8.110.8.120.8.130.8.140.8.150.8.160.8.170.8.180.8.20.8.30.8.40.8.50.8.60.8.70.8.80.8.90.9.00.9.10.9.100.9.20.9.30.9.40.9.50.9.60.9.70.9.8	3.4.9

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-20962 is a medium vulnerability (CVSS 6.1) in Backpackforlaravel Backpack\\crud, published August 8, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.31%, the 70th percentile. Fixed in backpack/crud 3.4.9.

References

This page doesn't list everything

Left out here: 157 versions. The JSON record has them.