How severe is CVE-2023-26820?

CVE-2023-26820 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-26820 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26820?

CVE-2023-26820 affects Siteproxy Project Siteproxy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26820?

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-2023-26820 published?

CVE-2023-26820 was published on 2023-04-07 and last updated on 2026-06-17.

CVE-2023-26820

CVE-2023-26820 is a high-severity vulnerability in Siteproxy Project Siteproxy with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Siteproxy Project Siteproxy
Published: 2023-04-07
Last modified: 2026-06-17

Description

siteproxy v1.0 was discovered to contain a path traversal vulnerability via the component index.js.

Frequently asked questions

What is CVE-2023-26820?: siteproxy v1.0 was discovered to contain a path traversal vulnerability via the component index.js.
How severe is CVE-2023-26820?: CVE-2023-26820 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-26820 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26820?: CVE-2023-26820 affects Siteproxy Project Siteproxy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26820?: 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-2023-26820 published?: CVE-2023-26820 was published on 2023-04-07 and last updated on 2026-06-17.

References

https://github.com/netptop/siteproxy/issues/67

Affected products (1)

cpe:2.3:a:siteproxy_project:siteproxy:1.0:*:*:*:*:*:*:*

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