CVE-2026-16067VulnerabilityPublished 7 Aug 2026

The Event Booking Manager for WooCommerce (Pro) WordPress plugin before 5.0.3 does not validate the ticket price on

Source GCVE Database

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Authoritative record:CVE-2026-16067· Medium 5.3

Not known to be exploited · CVSS 5.3 Medium : upgrade to 5.0.3 when convenient.

Data as of 5 Nov 2026, 23:24 UTC

CVSS 3.1 base score

5.3Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.3% chance of exploitation in 30 days – higher than 25% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in 5.0.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: None: There is no loss of confidentiality within the impacted component.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

Disclosed: evidence found.
CVE published 6 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CISA SSVC: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

CVE ID reserved
by WPScan
17 Jul 202613:11 UTC, 20 days before disclosure
CVE published
on cve.org
6 Aug 202617:14 UTC, t = 0
CISA SSVC assessment
proof of concept public
7 Aug 202614:14 UTC, 21 hours after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA SSVC, the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade Event Booking Manager for WooCommerce (Pro) (WordPress plugin) to 5.0.3.

Affected software

Product	Affected	Fixed in
Event Booking Manager for WooCommerce (Pro)	Affected <5.0.3	Fixed in 5.0.3

AI-suggested

A fix is available in version 5.0.3 of the Event Booking Manager for WooCommerce (Pro) plugin. Users should upgrade to version 5.0.3 or later to ensure server-side validation of ticket prices during checkout. No other mitigation is indicated.

Description

The Event Booking Manager for WooCommerce (Pro) WordPress plugin versions before 5.0.3 contains a vulnerability where the ticket price is not validated on the server during its native checkout process. This flaw allows unauthenticated users to supply arbitrary ticket prices, potentially booking paid event tickets for free and obtaining valid bookings without payment.

Impact

Unauthenticated attackers can exploit this vulnerability to obtain completed bookings and valid tickets for paid events at no cost. This leads to financial loss for event organizers and undermines the integrity of the ticketing system. There is no impact on confidentiality or availability reported.

Summary

The vulnerability in the Event Booking Manager for WooCommerce (Pro) plugin prior to version 5.0.3 arises because the plugin does not re-derive the event's configured ticket price on the server side during its native (non-WooCommerce) checkout. Instead, it trusts the per-ticket price provided by the client. This lack of server-side validation enables unauthenticated attackers to manipulate ticket prices and complete bookings without paying, resulting in unauthorized free access to paid events.

References

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Exploitation evidence

Timeline

What to do

Affected software

Description

AI analysisMachine-generated, updated 14 Aug 2026, 13:03 UTC

Technical details

References

Community reviews