Is CVE-2022-3963 in the CISA KEV catalog?

No. CVE-2022-3963 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-3963?

CVE-2022-3963 has a CVSS v3 base score of 3.5 (LOW).

What is the EPSS score for CVE-2022-3963?

CVE-2022-3963 has an EPSS score of 0.39% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-3963?

Upgrade gnuboard to 5.5.8.2.1 or later.

CVE & CISA-KEV Catalog

CVE-2022-3963

LOW

3.5

CVSS v3

NVD

Description

A vulnerability was found in gnuboard5. It has been classified as problematic. Affected is an unknown function of the file bbs/faq.php of the component FAQ Key ID Handler. The manipulation of the argument fm_id leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 5.5.8.2.1 is able to address this issue. The name of the patch is ba062ca5b62809106d5a2f7df942ffcb44ecb5a9. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-213540.

CWE-707 CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

gnuboardNVD

Affected:< 5.5.8.2.1Fixed in:5.5.8.2.1CVE-2022-3963derived 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

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.39%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

vuldb.com

Related Vulnerabilities

Other CWE-707 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-10914	High	8.1	97%	-	-
CVE-2024-10915	High	8.1	79%	-	-
CVE-2024-43572	High	7.8	61%	KEV	Fix
CVE-2022-4257	Medium	6.3	44%	-	-
CVE-2025-26633	High	7.0	32%	KEV + Ransom	Fix
CVE-2022-3801	Medium	6.3	30%	-	-

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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.