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CVE-2026-129139

paicoding commit b8206b9 through 903adce Predictable ZSXQ Account Credentials

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.

CVSS 4.0 · 8.8 High EPSS n/a KEV · Not listed
Vendors
Itwanger
Products
Paicoding
CVE-2026-129142

paicoding commit 766c48b through 903adce Stored XSS via Payment Notifications

paicoding commit 766c48b through commit 903adce contains a stored cross-site scripting vulnerability in payment notifications, where NotifyMsgListener inserts the payer's display name unescaped and notify-system-item.html renders it via th:utext. Authenticated attackers can set a malicious display name and start a pending payment on a paid article, executing script in the author's browser when the author views notifications.

CVSS 4.0 · 5.1 Medium EPSS n/a KEV · Not listed
Vendors
Itwanger
Products
Paicoding
CVE-2026-129140

paicoding 1.0.0 through 1.0.3 Stored XSS via SVG Image Upload

paicoding 1.0.0 through 1.0.3 contains a stored cross-site scripting vulnerability in image upload because ImageServiceImpl.validateStaticImg accepts SVG files, which are then served from the site origin when local storage is used. Authenticated attackers can upload script-bearing SVG images that execute when victims view them, stealing the non-HttpOnly f-session cookie to hijack accounts.

CVSS 4.0 · 5.1 Medium EPSS n/a KEV · Not listed
Vendors
Itwanger
Products
Paicoding
CVE-2026-129141

paicoding 1.0.0 through 1.0.3 Stored XSS via JSON-LD Profile Description

paicoding 1.0.0 through 1.0.3 contains a stored cross-site scripting vulnerability because SeoInjectService embeds user profile text without escaping in an inline JSON-LD script element. Authenticated attackers can add a closing script tag followed by HTML to their profile, executing scripts for visitors of their profile page and stealing the non-HttpOnly f-session cookie.

CVSS 4.0 · 5.1 Medium EPSS n/a KEV · Not listed
Vendors
Itwanger
Products
Paicoding
CVE-2026-129143

paicoding 1.0.3 Missing Authorization via Article Detail API Endpoint

paicoding 1.0.3 contains a missing authorization vulnerability in the ArticleRestController article detail endpoint that allows unauthenticated attackers to read restricted articles. Attackers can enumerate article IDs via GET /article/api/data/detail/{articleId} to retrieve full content of paid, login-only, member-only and draft articles.

CVSS 4.0 · 8.7 High EPSS n/a KEV · Not listed
Vendors
Itwanger
Products
Paicoding
CVE-2026-129144

paicoding 1.0.3 Payment Bypass via Guessable Codes in /article/api/pay/callback

paicoding 1.0.3 contains a payment bypass vulnerability that allows authenticated attackers to unlock paid articles by guessing weak payment confirmation codes. Attackers can start a payment, enumerate roughly 2000 IdUtil.genPayCode counter values, and submit the matching verifyCode to the unauthenticated callback to mark it paid.

CVSS 4.0 · 5.3 Medium EPSS n/a KEV · Not listed
Vendors
Itwanger
Products
Paicoding
CVE-2026-3286

itwanger paicoding Image Save Endpoint ImageRestController.java save server-side request forgery

A vulnerability was identified in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3. The impacted element is the function Save of the file paicoding-web/src/main/java/com/github/paicoding/forum/web/common/image/rest/ImageRestController.java of the component Image Save Endpoint. Such manipulation of the argument img leads to server-side request forgery. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Itwanger
Products
Paicoding
CVE-2025-4839

itwanger paicoding CrossUtil.java cross-domain policy

A vulnerability has been found in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /paicoding-core/src/main/java/com/github/paicoding/forum/core/util/CrossUtil.java. The manipulation leads to permissive cross-domain policy with untrusted domains. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.

CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Vendors
Itwanger
Products
Paicoding
CVE-2025-3965

itwanger paicoding post cross site scripting

A vulnerability has been found in itwanger paicoding 1.0.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /article/app/post. The manipulation of the argument content leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
Itwanger
Products
Paicoding
CVE-2025-3966

itwanger paicoding Browsing History home information disclosure

A vulnerability was found in itwanger paicoding 1.0.3 and classified as problematic. Affected by this issue is some unknown functionality of the file /user/home?userId=1&homeSelectType=read of the component Browsing History Handler. The manipulation leads to information disclosure. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Itwanger
Products
Paicoding
CVE-2025-3967

itwanger paicoding Article post improper authorization

A vulnerability was found in itwanger paicoding 1.0.3. It has been classified as critical. This affects an unknown part of the file /article/api/post of the component Article Handler. The manipulation of the argument articleId leads to improper authorization. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Itwanger
Products
Paicoding