How severe is CVE-2023-51507?

CVE-2023-51507 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 none, integrity low, and availability none.

Is CVE-2023-51507 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51507?

CVE-2023-51507 affects Expresstech Quiz And Survey Master. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51507?

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

Does CVE-2023-51507 have an EU (EUVD) identifier?

Yes. CVE-2023-51507 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56220.

When was CVE-2023-51507 published?

CVE-2023-51507 was published on 2024-06-14 and last updated on 2026-06-17.

CVE-2023-51507

CVE-2023-51507 is a medium-severity vulnerability in Expresstech Quiz And Survey Master 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56220
Weakness: CWE-862
Affected product: Expresstech Quiz And Survey Master
Published: 2024-06-14
Last modified: 2026-06-17

Description

Missing Authorization vulnerability in ExpressTech Quiz And Survey Master.This issue affects Quiz And Survey Master: from n/a through 8.1.16.

Frequently asked questions

What is CVE-2023-51507?: Missing Authorization vulnerability in ExpressTech Quiz And Survey Master.This issue affects Quiz And Survey Master: from n/a through 8.1.16.
How severe is CVE-2023-51507?: CVE-2023-51507 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 none, integrity low, and availability none.
Is CVE-2023-51507 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51507?: CVE-2023-51507 affects Expresstech Quiz And Survey Master. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51507?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-51507 have an EU (EUVD) identifier?: Yes. CVE-2023-51507 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56220.
When was CVE-2023-51507 published?: CVE-2023-51507 was published on 2024-06-14 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/quiz-master-next/wordpress-quiz-and-survey-master-plugin-8-1-16-broken-access-control-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:expresstech:quiz_and_survey_master:*:*:*:*:*:wordpress:*:*

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