Vulnerability · Published Sep 23, 2026 · Assigned by WPScan

CVE-2026-91025Booking Manager < 2.1.21 - Subscriber+ Arbitrary User Plugin Meta Modification via IDOR

Medium 4.3

In plain English

A medium-severity authorization bypass via user-controlled key in Booking Manager from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 82.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

The Booking Manager WordPress plugin before 2.1.21 does not verify that a request to modify a user's Booking Manager WordPress plugin before 2.1.21-specific settings targets the requesting user's own account, allowing any authenticated user with subscriber-level access and above to create or overwrite the Booking Manager WordPress plugin before 2.1.21's per-user settings on arbitrary users, including administrators.

Affected products (as reported)

Vendor	Product	Versions
Unknown	Booking Manager	0 – before 2.1.21

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References

https://wpscan.com/vulnerability/6e010e3e-78e8-4bfc-b880-d9a85cff2c2a/ exploit, vdb-entry, technical-description