How severe is CVE-2026-34903?

CVE-2026-34903 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-2026-34903 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-34903?

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

Does CVE-2026-34903 have an EU (EUVD) identifier?

Yes. CVE-2026-34903 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19594.

When was CVE-2026-34903 published?

CVE-2026-34903 was published on 2026-04-07 and last updated on 2026-06-17.

CVE-2026-34903

CVE-2026-34903 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% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19594
Weakness: CWE-862
Published: 2026-04-07
Last modified: 2026-06-17

Description

Missing Authorization vulnerability in OceanWP Ocean Extra allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ocean Extra: from n/a through 2.5.3.

Frequently asked questions

What is CVE-2026-34903?: Missing Authorization vulnerability in OceanWP Ocean Extra allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ocean Extra: from n/a through 2.5.3.
How severe is CVE-2026-34903?: CVE-2026-34903 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-2026-34903 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-34903?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-34903 have an EU (EUVD) identifier?: Yes. CVE-2026-34903 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19594.
When was CVE-2026-34903 published?: CVE-2026-34903 was published on 2026-04-07 and last updated on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/ocean-extra/vulnerability/wordpress-ocean-extra-plugin-2-5-3-broken-access-control-vulnerability?_s_id=cve

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