Is CVE-2023-0300 in the CISA KEV catalog?

No. CVE-2023-0300 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-0300?

CVE-2023-0300 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2023-0300?

CVE-2023-0300 has an EPSS score of 0.49% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-0300?

Upgrade alf.io to 2.0-m4-2301 or later.

CVE & CISA-KEV Catalog

CVE-2023-0300

MEDIUM

5.4

CVSS v3

NVD

Description

Cross-site Scripting (XSS) - Reflected in GitHub repository alfio-event/alf.io prior to 2.0-M4-2301.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

alf.ioNVD

Affected:< 2.0-m4-2301Fixed in:2.0-m4-2301CVE-2023-0300derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.49%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Patch1

github.com

Exploit1

huntr.dev

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.