How severe is CVE-2022-36226?

CVE-2022-36226 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-36226 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36226?

CVE-2022-36226 affects Siteservercms Project Siteservercms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36226?

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-2022-36226 published?

CVE-2022-36226 was published on 2022-08-26 and last updated on 2026-06-17.

CVE-2022-36226

CVE-2022-36226 is a high-severity vulnerability in Siteservercms Project Siteservercms with a CVSS 3.x base score of 7.2. 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Siteservercms Project Siteservercms
Published: 2022-08-26
Last modified: 2026-06-17

Description

SiteServerCMS 5.X has a Remote-download-Getshell-vulnerability via /SiteServer/Ajax/ajaxOtherService.aspx.

Frequently asked questions

What is CVE-2022-36226?: SiteServerCMS 5.X has a Remote-download-Getshell-vulnerability via /SiteServer/Ajax/ajaxOtherService.aspx.
How severe is CVE-2022-36226?: CVE-2022-36226 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-36226 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36226?: CVE-2022-36226 affects Siteservercms Project Siteservercms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36226?: 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-2022-36226 published?: CVE-2022-36226 was published on 2022-08-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:siteservercms_project:siteservercms:*:*:*:*:*:*:*:*

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