Unauthenticated protected post disclosure via unchecked identifier
Published May 14, 2026 · Updated May 14, 2026
Authorization bypass in MW WP Form 5.1.2 and earlier allows remote attackers to read protected WordPress post data through post_id. The _get_post_property_from_querystring() method accepted a query-string post identifier and returned requested properties without checking publication status or password protection. A form using query-string post-property resolution must be reachable; no authentication or user interaction is required, and exposure is limited to password-protected, private, or draft post data.
Summary
What happened
Authorization bypass in MW WP Form 5.1.2 and earlier allows remote attackers to read protected WordPress post data through post_id. The _get_post_property_from_querystring() method accepted a query-string post identifier and returned requested properties without checking publication status or password protection. A form using query-string post-property resolution must be reachable; no authentication or user interaction is required, and exposure is limited to password-protected, private, or draft post data.
The record
- CVE
- CVE-2026-6206
- Published
- May 14, 2026
- Updated
- May 14, 2026
- Vendor
- 株式会社Webの相談所
- Product
- MW WP Form
- Classifications
- CWE-639, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- May 14, 2026CVE publishedPublication date reported by the CVE source.
- May 14, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=5.1.2
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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