beardev JoomSport Plugin up to 5.7.8 on WordPress AJAX joomsport_season_groupdel authorization

Summaryinfo

A vulnerability identified as critical has been detected in beardev JoomSport Plugin up to 5.7.8 on WordPress. Affected by this issue is the function joomsport_season_groupdel of the component AJAX Handler. This manipulation causes authorization. This vulnerability appears as CVE-2026-12133. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in beardev JoomSport Plugin up to 5.7.8 on WordPress. Affected by this vulnerability is the function joomsport_season_groupdel of the component AJAX Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The JoomSport – for Sports: Team & League, Football, Hockey & more plugin for WordPress is vulnerable to Missing Authorization to Arbitrary Group Deletion in versions up to, and including, 5.7.8. This is due to a missing capability check in the joomsport_season_groupdel() AJAX handler, which only verifies a nonce before executing a DELETE query on attacker-supplied group IDs. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary JoomSport group records.

The weakness was presented by Chloe Chamberland (PRISM). The advisory is shared at wordfence.com. This vulnerability is known as CVE-2026-12133 since 06/12/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/01/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• beardev

Name

• JoomSport Plugin

Version

• 5.7.0
• 5.7.1
• 5.7.2
• 5.7.3
• 5.7.4
• 5.7.5
• 5.7.6
• 5.7.7
• 5.7.8

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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