Uix UserCenter Plugin up to 1.0.3 on WordPress privileges management

Summaryinfo

A vulnerability was found in Uix UserCenter Plugin up to 1.0.3. It has been classified as critical. Affected is an unknown function. The manipulation leads to privileges management. This vulnerability is traded as CVE-2026-16259. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Uix UserCenter Plugin up to 1.0.3. It has been rated as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the account being modified through an unauthenticated profile-update action belongs to the requester, and it authenticates that action with a token whose signing key is hardcoded and identical across every install, allowing unauthenticated attackers to forge a token for any user, overwrite an administrator's email and password, and take over the account.

The advisory is shared at wpscan.com. The identification of this vulnerability is CVE-2026-16259 since 07/20/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/29/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

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

Name

• Uix UserCenter Plugin

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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

Discussion