CVE-2026-0554
CVE-2026-0554 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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 4.3)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-3416
- Weakness: CWE-862
- Published:
- Last modified:
Description
The NotificationX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'regenerate' and 'reset' REST API endpoints in all versions up to, and including, 3.1.11. This makes it possible for authenticated attackers, with Contributor-level access and above, to reset analytics for any NotificationX campaign, regardless of ownership.
Frequently asked questions
- What is CVE-2026-0554?
- The NotificationX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'regenerate' and 'reset' REST API endpoints in all versions up to, and including, 3.1.11. This makes it possible for authenticated attackers, with Contributor-level access and above, to reset analytics for any NotificationX campaign, regardless of ownership.
- How severe is CVE-2026-0554?
- CVE-2026-0554 has a CVSS 3.x base score of 4.3, 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 none.
- Is CVE-2026-0554 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-0554?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-0554 have an EU (EUVD) identifier?
- Yes. CVE-2026-0554 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3416.
- When was CVE-2026-0554 published?
- CVE-2026-0554 was published on 2026-01-20 and last updated on 2026-06-17.
References
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3433555%40notificationx&old=3426659%40notificationx&sfp_email=&sfph_mail=
- https://research.cleantalk.org/cve-2026-0554
- https://www.wordfence.com/threat-intel/vulnerabilities/id/e3cd843b-ab38-45c4-a661-78d4e6db5201?source=cve
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