CVE-2023-33336

CVE-2023-33336 is a medium-severity vulnerability in Sophos Web Appliance with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Description

Reflected cross site scripting (XSS) vulnerability was discovered in Sophos Web Appliance v4.3.9.1 that allows for arbitrary code to be inputted via the double quotes.

Frequently asked questions

What is CVE-2023-33336?
Reflected cross site scripting (XSS) vulnerability was discovered in Sophos Web Appliance v4.3.9.1 that allows for arbitrary code to be inputted via the double quotes.
How severe is CVE-2023-33336?
CVE-2023-33336 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-33336 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33336?
CVE-2023-33336 affects Sophos Web Appliance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33336?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-33336 published?
CVE-2023-33336 was published on 2023-06-30 and last updated on 2026-06-17.

References

Affected products (1)

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