How severe is CVE-2023-6155?

CVE-2023-6155 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-6155 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6155?

CVE-2023-6155 affects Ays-pro Quiz Maker. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6155?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-6155 published?

CVE-2023-6155 was published on 2023-12-26 and last updated on 2026-06-17.

CVE-2023-6155

CVE-2023-6155 is a medium-severity vulnerability in Ays-pro Quiz Maker with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Ays-pro Quiz Maker
Published: 2023-12-26
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-6155?: 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.
How severe is CVE-2023-6155?: CVE-2023-6155 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-6155 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6155?: CVE-2023-6155 affects Ays-pro Quiz Maker. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6155?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-6155 published?: CVE-2023-6155 was published on 2023-12-26 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/c62be802-e91a-4bcf-990d-8fd8ef7c9a28

Affected products (1)

cpe:2.3:a:ays-pro:quiz_maker:*:*:*:*:*:wordpress:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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