CVE-2023-6155

MEDIUMNVD 5.35.3—Elevated

5.3

The Quiz Maker WordPress plugin before 6.4.9.5 does not adequately authorize the ays_quiz_author_user_search AJAX action, allowing an unauthenticated attacker to perform a search for users of the system, ultimately leaking user email addresses.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 63.5%
KEV: Not listed

Published

December 26, 2023

Last Modified

November 21, 2024

References (2)

contact@wpscanhttps://wpscan.com/vulnerability/c62be802-e91a-4bcf-990d-8fd8ef7c9a28
af854a3a-2127-422b-91ae-364da2661108https://wpscan.com/vulnerability/c62be802-e91a-4bcf-990d-8fd8ef7c9a28

Weakness Classification(1)

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

CWE-287Improper Authentication

Data Freshness Timeline

(refreshed 13× 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.

2026-06-07 15:24 UTCepss_batch
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2026-06-06 13:46 UTCepss_batch
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2026-06-05 22:46 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2023-6155?

CVE-2023-6155 is a medium vulnerability published on December 26, 2023. The Quiz Maker WordPress plugin before 6.4.9.5 does not adequately authorize the aysquizauthorusersearch AJAX action, allowing an unauthenticated attacker to perform a search for users of the system, ultimately leaking user email addresses.

When was CVE-2023-6155 disclosed?

CVE-2023-6155 was first published in the National Vulnerability Database on December 26, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-6155 actively exploited?

CVE-2023-6155 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-6155?

CVE-2023-6155 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2023-6155?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-6155, 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-2023-6155

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-6155?

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Published

Last Modified

References (2)

Frequently asked(5)

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