How severe is CVE-2022-26866?

CVE-2022-26866 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-26866 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26866?

CVE-2022-26866 affects Dell Powerstoreos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26866?

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

When was CVE-2022-26866 published?

CVE-2022-26866 was published on 2022-06-02 and last updated on 2026-06-17.

CVE-2022-26866

CVE-2022-26866 is a medium-severity vulnerability in Dell Powerstoreos with a CVSS 3.x base score of 5.5. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 3.5
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Dell Powerstoreos
Published: 2022-06-02
Last modified: 2026-06-17

Description

Dell PowerStore Versions before v2.1.1.0. contains a Stored Cross-Site Scripting vulnerability. A high privileged network attacker could potentially exploit this vulnerability, leading to the storage of malicious HTML or JavaScript codes in a trusted application data store. When a victim user accesses the data store through their browsers, the malicious code gets executed by the web browser in the context of the vulnerable web application. Exploitation may lead to information disclosure, session theft, or client-side request forgery.

Frequently asked questions

What is CVE-2022-26866?: Dell PowerStore Versions before v2.1.1.0. contains a Stored Cross-Site Scripting vulnerability. A high privileged network attacker could potentially exploit this vulnerability, leading to the storage of malicious HTML or JavaScript codes in a trusted application data store. When a victim user accesses the data store through their browsers, the malicious code gets executed by the web browser in the context of the vulnerable web application. Exploitation may lead to information disclosure, session theft, or client-side request forgery.
How severe is CVE-2022-26866?: CVE-2022-26866 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-26866 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26866?: CVE-2022-26866 affects Dell Powerstoreos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26866?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-26866 published?: CVE-2022-26866 was published on 2022-06-02 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/000196367

Affected products (1)

cpe:2.3:o:dell:powerstoreos:*:*:*:*:*:*:*:*

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