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CVE-2026-17018

MEDIUM 4.9 PoC AVAILABLE

Published 2026-08-10 · Last modified 2026-08-11

The CubeWP Framework WordPress plugin through 1.1.30 does not perform a per-object read authorization check, nor restrict which metadata keys may be requested, on one of its REST API endpoints, allowing users with the Contributor role and above to read arbitrary post metadata (including that of other users' draft, pending, private, and password-protected posts) and arbitrary user metadata of any user, including administrators.

EXPLOIT AVAILABLE

Public exploit or PoC code exists. Modeled probability is still low, but the barrier to attack is reduced — watch closely.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 13th percentile

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

4.9CVSS 3.1 · MEDIUM

  • ConfidentialityHigh
  • IntegrityNone
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ⚠Privileges: Requires an admin / high-privilege account
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-17018/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-17018/poc.json

Affected

Vendors Unknown

Products Cubewp Framework

Weakness (CWE)

  • CWE-639: Authorization Bypass Through User-Controlled Key

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

All CVSS metrics

  • MEDIUM 4.9 v3.1 · ADP Primary
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
  • MEDIUM 4.9 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References

Exploits & PoC

Sources: NVD · CVE.org · EPSS