How severe is CVE-2025-55707?

CVE-2025-55707 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-55707 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-55707?

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

Does CVE-2025-55707 have an EU (EUVD) identifier?

Yes. CVE-2025-55707 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204195.

When was CVE-2025-55707 published?

CVE-2025-55707 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2025-55707

CVE-2025-55707 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. 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: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204195
Weakness: CWE-266
Published: 2025-12-18
Last modified: 2026-06-17

Description

Incorrect Privilege Assignment vulnerability in WPXPO PostX ultimate-post allows Privilege Escalation.This issue affects PostX: from n/a through <= 4.1.35.

Frequently asked questions

What is CVE-2025-55707?: Incorrect Privilege Assignment vulnerability in WPXPO PostX ultimate-post allows Privilege Escalation.This issue affects PostX: from n/a through <= 4.1.35.
How severe is CVE-2025-55707?: CVE-2025-55707 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-55707 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-55707?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-55707 have an EU (EUVD) identifier?: Yes. CVE-2025-55707 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204195.
When was CVE-2025-55707 published?: CVE-2025-55707 was published on 2025-12-18 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/ultimate-post/vulnerability/wordpress-postx-plugin-4-1-35-privilege-escalation-vulnerability?_s_id=cve

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