itwanger paicoding ZSXQ Login loginByZsxq userId information disclosure

Summaryinfo

A vulnerability, which was classified as problematic, has been found in itwanger paicoding. This issue affects the function loginByZsxq of the component ZSXQ Login. This manipulation of the argument userId causes information disclosure. This vulnerability is handled as CVE-2026-129139. The attack can be initiated remotely. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as problematic was found in itwanger paicoding (affected version unknown). Affected by this vulnerability is the function loginByZsxq of the component ZSXQ Login. The manipulation of the argument userId with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

paicoding from commit b8206b9 through commit 903adce uses predictable credentials for accounts created via ZSXQ login, because loginByZsxq derives both the username and password solely from the member's ZSXQ number. Unauthenticated attackers can read that number from the victim's /user/{userId} profile page, compute the credentials, and log in via /login/username to take over the account.

The advisory is shared at vul.yulun.ac.cn. This vulnerability is known as CVE-2026-129139 since 11/13/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Applying the patch 903adce70309d340f7eec51ec3c80cfe3c8326c1 is able to eliminate this problem.

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

Productinfo

Vendor

• itwanger

Name

• paicoding

CPE 2.3info

• 🔒

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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