How severe is CVE-2023-33653?

CVE-2023-33653 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-33653 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33653?

CVE-2023-33653 affects Sitecore Experience Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33653?

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-2023-33653 published?

CVE-2023-33653 was published on 2023-06-06 and last updated on 2026-06-17.

CVE-2023-33653

CVE-2023-33653 is a high-severity vulnerability in Sitecore Experience Platform with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sitecore Experience Platform
Published: 2023-06-06
Last modified: 2026-06-17

Description

Sitecore Experience Platform (XP) v9.3 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the component /Applications/Content%20Manager/Execute.aspx?cmd=convert&mode=HTML.

Frequently asked questions

What is CVE-2023-33653?: Sitecore Experience Platform (XP) v9.3 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the component /Applications/Content%20Manager/Execute.aspx?cmd=convert&mode=HTML.
How severe is CVE-2023-33653?: CVE-2023-33653 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-33653 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33653?: CVE-2023-33653 affects Sitecore Experience Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33653?: 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-2023-33653 published?: CVE-2023-33653 was published on 2023-06-06 and last updated on 2026-06-17.

References

https://blog.assetnote.io/2023/05/10/sitecore-round-two/

Affected products (1)

cpe:2.3:a:sitecore:experience_platform:9.3:*:*:*:*:*:*:*

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