How severe is CVE-2026-42758?

CVE-2026-42758 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-42758 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.

How do I fix CVE-2026-42758?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-42758 have an EU (EUVD) identifier?

Yes. CVE-2026-42758 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32207.

When was CVE-2026-42758 published?

CVE-2026-42758 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-42758

CVE-2026-42758 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-266.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32207
Weakness: CWE-266
Published: 2026-05-27
Last modified: 2026-06-17

Description

Incorrect Privilege Assignment vulnerability in Saleswonder Team: Tobias WebinarIgnition webinar-ignition allows Privilege Escalation.This issue affects WebinarIgnition: from n/a through < 4.08.253.

Frequently asked questions

What is CVE-2026-42758?: Incorrect Privilege Assignment vulnerability in Saleswonder Team: Tobias WebinarIgnition webinar-ignition allows Privilege Escalation.This issue affects WebinarIgnition: from n/a through < 4.08.253.
How severe is CVE-2026-42758?: CVE-2026-42758 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-42758 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.
How do I fix CVE-2026-42758?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-42758 have an EU (EUVD) identifier?: Yes. CVE-2026-42758 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32207.
When was CVE-2026-42758 published?: CVE-2026-42758 was published on 2026-05-27 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/webinar-ignition/vulnerability/wordpress-webinarignition-plugin-4-08-253-privilege-escalation-vulnerability?_s_id=cve

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