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CVE-2026-18366

criticalpublic exploitCVSS 9.8covered by 1 sourcefirst seen 2026-08-12
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-18366 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation even though it is not (yet) in the CISA KEV catalog.
The Events Manager WordPress plugin before 7.4.1 does not properly scope its capability mapping, discarding the access control decisions WordPress already made for unrelated privileged actions, which allows unauthenticated users to change the password of, escalate to Administrator, or delete any account whose user ID happens to match the ID of one of the Events Manager WordPress plugin before 7.4.1's own posts.

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Exploitation outlook

Exploit availability

Public exploit or proof-of-concept code for CVE-2026-18366 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.

Advisory coverage (1)

External references

NVD record for CVE-2026-18366

CVE.org record

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