How severe is CVE-2022-47717?

CVE-2022-47717 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-47717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-47717?

CVE-2022-47717 affects Lastyard Last Yard. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-47717?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-47717 published?

CVE-2022-47717 was published on 2023-02-01 and last updated on 2026-06-17.

CVE-2022-47717

CVE-2022-47717 is a high-severity vulnerability in Lastyard Last Yard with a CVSS 3.x base score of 7.5. 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-942.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-942
Affected product: Lastyard Last Yard
Published: 2023-02-01
Last modified: 2026-06-17

Description

Last Yard 22.09.8-1 is vulnerable to Cross-origin resource sharing (CORS).

Frequently asked questions

What is CVE-2022-47717?: Last Yard 22.09.8-1 is vulnerable to Cross-origin resource sharing (CORS).
How severe is CVE-2022-47717?: CVE-2022-47717 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-47717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-47717?: CVE-2022-47717 affects Lastyard Last Yard. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-47717?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-47717 published?: CVE-2022-47717 was published on 2023-02-01 and last updated on 2026-06-17.

References

https://github.com/l00neyhacker/CVE-2022-47717

Affected products (1)

cpe:2.3:a:lastyard:last_yard:22.09.8-1:*:*:*:*:*:*:*

More vulnerabilities in Lastyard Last Yard

CVE-2022-47714 — Critical (CVSS 9.8): Last Yard 22.09.8-1 does not enforce HSTS headers
CVE-2022-47715 — Medium (CVSS 5.3): In Last Yard 22.09.8-1, the cookie can be stolen via via unencrypted traffic.

All CVEs affecting Lastyard Last Yard →

Other CWE-942 vulnerabilities

CVE-2022-26969 — Critical (CVSS 9.8): In Directus before 9.7.0, the default settings of CORS_ORIGIN and CORS_ENABLED are true.
CVE-2022-31736 — Critical (CVSS 9.8): A malicious website could have learned the size of a cross-origin resource that supported Range requests. This…
CVE-2026-34449 — Critical (CVSS 9.6): SiYuan is a personal knowledge management system. Prior to version 3.6.2, a malicious website can achieve Remote Code…
CVE-2026-30924 — Critical (CVSS 9.6): qui is a web interface for managing qBittorrent instances. Versions 1.14.1 and below use a permissive CORS policy that…
CVE-2026-9739 — Critical (CVSS 9.4): Vulnerable to DNS rebinding attacks when using SSE (http://b/499408790). During the beta phase, we implemented…
CVE-2026-8948 — Critical (CVSS 9.1): Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird…

Browse all CWE-942 vulnerabilities →