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CVE-2026-3173

The Meta Field Block plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.5.1. This is due to the plugin allowing users to specify arbitrary object IDs and object types via block attributes without validating whether the authenticated user has permission to access the requested object's metadata. This makes it possible for authenticated attackers, with Contributor-level access and above, to read arbitrary user meta, post meta, and term me
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:669528c8f0ef307b68129219c6a381111f9123a5682475cf51a2b0a19ce9ca11
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Meta Field Block – Display custom fields in the Block Editor without coding","vendor":"mr2p","versions":[{"lessThanOrEqual":"1.5.1","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c5deeab073f2d70128f72f1dd7a988f589bffac92dd04b03957aac803dce5555 · sha256:e90b7c763da31579… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c5deeab073f2d70128f72f1dd7a988f589bffac92dd04b03957aac803dce5555 · sha256:e90b7c763da31579… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-639","description":"CWE-639 Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c5deeab073f2d70128f72f1dd7a988f589bffac92dd04b03957aac803dce5555 · sha256:e90b7c763da31579… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://plugins.trac.wordpress.org/browser/display-a-meta-field-as-block/trunk/meta-field-block.php#L206"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c5deeab073f2d70128f72f1dd7a988f589bffac92dd04b03957aac803dce5555 · sha256:e90b7c763da31579… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/display-a-meta-field-as-block/trunk/meta-field-block.php#L328"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c5deeab073f2d70128f72f1dd7a988f589bffac92dd04b03957aac803dce5555 · sha256:e90b7c763da31579… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/changeset/3472303/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c5deeab073f2d70128f72f1dd7a988f589bffac92dd04b03957aac803dce5555 · sha256:e90b7c763da31579… · /containers/cna/references/3
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/247df9e2-0a63-49ad-86fa-cb4c6e62c4cf?source=cve"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c5deeab073f2d70128f72f1dd7a988f589bffac92dd04b03957aac803dce5555 · sha256:e90b7c763da31579… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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