How severe is CVE-2023-40678?

CVE-2023-40678 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2023-40678 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-40678?

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

Does CVE-2023-40678 have an EU (EUVD) identifier?

Yes. CVE-2023-40678 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45234.

When was CVE-2023-40678 published?

CVE-2023-40678 was published on 2024-12-13 and last updated on 2026-06-17.

CVE-2023-40678

CVE-2023-40678 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. 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 5.4)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-45234
Weakness: CWE-862
Published: 2024-12-13
Last modified: 2026-06-17

Description

Missing Authorization vulnerability in Andrew Fiebert Simple URLs simple-urls allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simple URLs: from n/a through <= 117.

Frequently asked questions

What is CVE-2023-40678?: Missing Authorization vulnerability in Andrew Fiebert Simple URLs simple-urls allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simple URLs: from n/a through <= 117.
How severe is CVE-2023-40678?: CVE-2023-40678 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2023-40678 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-40678?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-40678 have an EU (EUVD) identifier?: Yes. CVE-2023-40678 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45234.
When was CVE-2023-40678 published?: CVE-2023-40678 was published on 2024-12-13 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/simple-urls/vulnerability/wordpress-simple-urls-plugin-117-broken-access-control-vulnerability?_s_id=cve

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