How severe is CVE-2018-20962?

CVE-2018-20962 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-20962 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20962?

CVE-2018-20962 affects Backpackforlaravel Backpackcrud. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20962?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-20962 published?

CVE-2018-20962 was published on 2019-08-08 and last updated on 2026-06-17.

CVE-2018-20962

CVE-2018-20962 is a medium-severity vulnerability in Backpackforlaravel Backpackcrud with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Backpackforlaravel Backpackcrud
Published: 2019-08-08
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2018-20962?: The Backpack\CRUD Backpack component before 3.4.9 for Laravel allows XSS via the select field type.
How severe is CVE-2018-20962?: CVE-2018-20962 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-20962 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20962?: CVE-2018-20962 affects Backpackforlaravel Backpackcrud. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20962?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20962 published?: CVE-2018-20962 was published on 2019-08-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:backpackforlaravel:backpack\\crud:*:*:*:*:*:*:*:*

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