How severe is CVE-2026-23550?

CVE-2026-23550 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-2026-23550 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-23550?

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-2026-23550 have an EU (EUVD) identifier?

Yes. CVE-2026-23550 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2436.

When was CVE-2026-23550 published?

CVE-2026-23550 was published on 2026-01-14 and last updated on 2026-06-17.

CVE-2026-23550

CVE-2026-23550 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-266.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 21% (97th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2436
Weakness: CWE-266
Published: 2026-01-14
Last modified: 2026-06-17

Description

Incorrect Privilege Assignment vulnerability in Modular DS Modular DS modular-connector allows Privilege Escalation.This issue affects Modular DS: from n/a through <= 2.5.1.

Frequently asked questions

What is CVE-2026-23550?: Incorrect Privilege Assignment vulnerability in Modular DS Modular DS modular-connector allows Privilege Escalation.This issue affects Modular DS: from n/a through <= 2.5.1.
How severe is CVE-2026-23550?: CVE-2026-23550 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-2026-23550 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-23550?: 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-2026-23550 have an EU (EUVD) identifier?: Yes. CVE-2026-23550 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2436.
When was CVE-2026-23550 published?: CVE-2026-23550 was published on 2026-01-14 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/modular-connector/vulnerability/wordpress-modular-ds-monitor-update-and-backup-multiple-websites-plugin-2-5-1-privilege-escalation-vulnerability?_s_id=cve

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