CVE-2026-2519: CWE-472 External Control of Assumed-Immutable Web Parameter in ladela Online Scheduling and Appointment Booking System – Bookly
The Bookly plugin for WordPress, used for online scheduling and appointment booking, contains a vulnerability that allows unauthenticated attackers to manipulate the price by submitting a negative value to the 'tips' parameter. This occurs because the plugin does not perform server-side validation on this user-supplied input, allowing the total price to be reduced to zero. The vulnerability affects all versions up to and including 27. 0. No official patch or remediation has been confirmed at this time.
AI Analysis
Technical Summary
CVE-2026-2519 is a medium-severity vulnerability in the ladela Bookly plugin for WordPress. It arises from external control of an assumed-immutable web parameter (CWE-472), specifically the 'tips' parameter. The plugin trusts this user input without validating it server-side against the configured price, enabling unauthenticated attackers to submit negative values that reduce the total price to zero. This flaw affects all versions up to 27.0. There is no vendor advisory or patch available yet, and no known exploits in the wild have been reported.
Potential Impact
An attacker can manipulate the booking price by submitting a negative number in the 'tips' parameter, effectively reducing the total price to zero. This impacts the integrity of pricing and could lead to financial loss for merchants using the plugin. The vulnerability does not affect confidentiality or availability according to the CVSS vector, but it impacts integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider implementing server-side validation for the 'tips' parameter or disabling the tips feature if possible to prevent price manipulation.
CVE-2026-2519: CWE-472 External Control of Assumed-Immutable Web Parameter in ladela Online Scheduling and Appointment Booking System – Bookly
Description
The Bookly plugin for WordPress, used for online scheduling and appointment booking, contains a vulnerability that allows unauthenticated attackers to manipulate the price by submitting a negative value to the 'tips' parameter. This occurs because the plugin does not perform server-side validation on this user-supplied input, allowing the total price to be reduced to zero. The vulnerability affects all versions up to and including 27. 0. No official patch or remediation has been confirmed at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-2519 is a medium-severity vulnerability in the ladela Bookly plugin for WordPress. It arises from external control of an assumed-immutable web parameter (CWE-472), specifically the 'tips' parameter. The plugin trusts this user input without validating it server-side against the configured price, enabling unauthenticated attackers to submit negative values that reduce the total price to zero. This flaw affects all versions up to 27.0. There is no vendor advisory or patch available yet, and no known exploits in the wild have been reported.
Potential Impact
An attacker can manipulate the booking price by submitting a negative number in the 'tips' parameter, effectively reducing the total price to zero. This impacts the integrity of pricing and could lead to financial loss for merchants using the plugin. The vulnerability does not affect confidentiality or availability according to the CVSS vector, but it impacts integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider implementing server-side validation for the 'tips' parameter or disabling the tips feature if possible to prevent price manipulation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-02-15T06:39:59.038Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d8437c1cc7ad14da3fb791
Added to database: 4/10/2026, 12:25:32 AM
Last enriched: 4/10/2026, 12:36:22 AM
Last updated: 4/10/2026, 2:36:43 AM
Views: 6
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