CVE-2023-50456

MEDIUMNVD 5.35.3—

5.3

An issue was discovered in Zammad before 6.2.0. An attacker can trigger phishing links in generated notification emails via a crafted first or last name.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 31.6%
KEV: Not listed

Published

December 10, 2023

Last Modified

May 27, 2025

References (2)

cve@mitrehttps://zammad.com/en/advisories/zaa-2023-07
af854a3a-2127-422b-91ae-364da2661108https://zammad.com/en/advisories/zaa-2023-07

Weakness Classification(1)

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

CWE-601URL Redirection to Untrusted Site (Open Redirect)

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-50456?

CVE-2023-50456 is a medium vulnerability published on December 10, 2023. An issue was discovered in Zammad before 6.2.0. An attacker can trigger phishing links in generated notification emails via a crafted first or last name.

When was CVE-2023-50456 disclosed?

CVE-2023-50456 was first published in the National Vulnerability Database on December 10, 2023, with the most recent update on May 27, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-50456 actively exploited?

CVE-2023-50456 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-50456?

CVE-2023-50456 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2023-50456?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-50456, 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

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CVE-2023-50456

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-50456?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)