How severe is CVE-2022-22691?

CVE-2022-22691 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-22691 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22691?

CVE-2022-22691 affects Umbraco Umbraco Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-22691?

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

When was CVE-2022-22691 published?

CVE-2022-22691 was published on 2022-01-18 and last updated on 2026-06-17.

CVE-2022-22691

CVE-2022-22691 is a medium-severity vulnerability in Umbraco Umbraco Cms with a CVSS 3.x base score of 6.8. 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-444.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.3
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-444
Affected product: Umbraco Umbraco Cms
Published: 2022-01-18
Last modified: 2026-06-17

Description

The password reset component deployed within Umbraco uses the hostname supplied within the request host header when building a password reset URL. It may be possible to manipulate the URL sent to Umbraco users when so that it points to the attackers server thereby disclosing the password reset token if/when the link is followed. A related vulnerability (CVE-2022-22690) could allow this flaw to become persistent so that all password reset URLs are affected persistently following a successful attack. See the AppCheck advisory for further information and associated caveats.

Frequently asked questions

What is CVE-2022-22691?: The password reset component deployed within Umbraco uses the hostname supplied within the request host header when building a password reset URL. It may be possible to manipulate the URL sent to Umbraco users when so that it points to the attackers server thereby disclosing the password reset token if/when the link is followed. A related vulnerability (CVE-2022-22690) could allow this flaw to become persistent so that all password reset URLs are affected persistently following a successful attack. See the AppCheck advisory for further information and associated caveats.
How severe is CVE-2022-22691?: CVE-2022-22691 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-22691 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22691?: CVE-2022-22691 affects Umbraco Umbraco Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-22691?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-22691 published?: CVE-2022-22691 was published on 2022-01-18 and last updated on 2026-06-17.

References

https://appcheck-ng.com/umbraco-applicationurl-overwrite-persistent-password-reset-poison-cve-2022-22690-cve-2022-22691/

Affected products (1)

cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*

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