CVE-2023-43763

MEDIUMNVD 6.16.1—

6.1

Certain WithSecure products allow XSS via an unvalidated parameter in the endpoint. This affects WithSecure Policy Manager 15 on Windows and Linux.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 22.7%
KEV: Not listed

Published

September 22, 2023

Last Modified

June 17, 2026

References (4)

cve@mitrehttps://www.withsecure.com/en/support/security-advisories
cve@mitrehttps://www.withsecure.com/en/support/security-advisories/cve-2023-nnn
af854a3a-2127-422b-91ae-364da2661108https://www.withsecure.com/en/support/security-advisories
af854a3a-2127-422b-91ae-364da2661108https://www.withsecure.com/en/support/security-advisories/cve-2023-nnn

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 13× in last 7d / 59× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
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2026-06-10 13:21 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
2026-05-24 17:16 UTCEG score recompute
2026-05-24 17:16 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-43763?

CVE-2023-43763 is a medium vulnerability published on September 22, 2023. Certain WithSecure products allow XSS via an unvalidated parameter in the endpoint. This affects WithSecure Policy Manager 15 on Windows and Linux.

When was CVE-2023-43763 disclosed?

CVE-2023-43763 was first published in the National Vulnerability Database on September 22, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-43763 actively exploited?

CVE-2023-43763 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-43763?

CVE-2023-43763 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2023-43763?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43763, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-43763

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CVE-2023-43763

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-43763?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)