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Medium 5.3Published Sep 25, 2026

CVE-2026-86837Bookly < 28.3 - Unauthenticated Customer PII Update via Verification Bypass

Updated under an hour ago ()

Does this affect you?

It affects Unknown Bookly. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

The Bookly WordPress plugin before 28.3 does not properly verify a customer's identity before updating their stored details, allowing unauthenticated attackers who know a customer's primary identifier to overwrite that customer's stored personal information such as name, email and address.

CVSS
5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE)
CWE-639
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
WPScan
NVD analysis
Deferred
Record last updated
Sep 25, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Unknown Bookly
unknown:bookly (from the name)
before 28.3
CNA record

References

  • exploit, vdb-entry, technical-description

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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