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CWE-79 (在Web页面生成时对输入的转义处理不恰当(跨站脚本)) — Vulnerability Class 21788

21788 vulnerabilities classified as CWE-79 (在Web页面生成时对输入的转义处理不恰当(跨站脚本)). AI Chinese analysis included.

CWE-79 represents a critical input validation weakness where software fails to properly sanitize user-supplied data before rendering it in web pages. Attackers typically exploit this vulnerability by injecting malicious scripts, often JavaScript, into trusted websites. When other users view the compromised page, the embedded code executes in their browsers, allowing the attacker to steal session cookies, hijack accounts, or redirect victims to phishing sites. This breach of trust undermines user privacy and application integrity. To prevent such attacks, developers must implement robust input validation and output encoding strategies. By strictly filtering incoming data and ensuring that all dynamic content is properly escaped before being processed by the browser, developers can neutralize dangerous inputs and effectively mitigate the risk of cross-site scripting vulnerabilities.

MITRE CWE Description
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. There are many variants of cross-site scripting, characterized by a variety of terms or involving different attack topologies. However, they all indicate the same fundamental weakness: improper neutralization of dangerous input between the adversary and a victim.
Common Consequences (3)
Access Control, ConfidentialityBypass Protection Mechanism, Read Application Data
The most common attack performed with cross-site scripting involves the disclosure of private information stored in user cookies, such as session information. Typically, a malicious user will craft a client-side script, which -- when parsed by a web browser -- performs some activity on behalf of the…
Integrity, Confidentiality, AvailabilityExecute Unauthorized Code or Commands
In some circumstances it may be possible to run arbitrary code on a victim's computer when cross-site scripting is combined with other flaws, for example, "drive-by hacking."
Confidentiality, Integrity, Availability, Access ControlExecute Unauthorized Code or Commands, Bypass Protection Mechanism, Read Application Data
The consequence of an XSS attack is the same regardless of whether it is stored or reflected. The difference is in how the payload arrives at the server. XSS can cause a variety of problems for the end user that range in severity from an annoyance to complete account compromise. Some cross-site scri…
Mitigations (5)
Architecture and DesignUse a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482]. Examples of libraries and frameworks that make it easier to generate properly encoded output include Microsoft's Anti-XSS library, the OWASP ESAPI Encoding module, and Apache Wicket.
Implementation, Architecture and DesignUnderstand the context in which your data will be used and the encoding that will be expected. This is especially important when transmitting data between different components, or when generating outputs that can contain multiple encodings at the same time, such as web pages or multi-part mail messages. Study all expected communication protocols and data representations to determine the required e…
Architecture and Design, ImplementationUnderstand all the potential areas where untrusted inputs can enter your software: parameters or arguments, cookies, anything read from the network, environment variables, reverse DNS lookups, query results, request headers, URL components, e-mail, files, filenames, databases, and any external systems that provide data to the application. Remember that such inputs may be obtained indirectly throug…
Effectiveness: Limited
Architecture and DesignFor any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Architecture and DesignIf available, use structured mechanisms that automatically enforce the separation between data and code. These mechanisms may be able to provide the relevant quoting, encoding, and validation automatically, instead of relying on the developer to provide this capability at every point where output is generated.
Examples (2)
The following code displays a welcome message on a web page based on the HTTP GET username parameter (covers a Reflected XSS (Type 1) scenario).
$username = $_GET['username']; echo '<div class="header"> Welcome, ' . $username . '</div>';
Bad · PHP
http://trustedSite.example.com/welcome.php?username=<Script Language="Javascript">alert("You've been attacked!");</Script>
Attack
The following code displays a Reflected XSS (Type 1) scenario.
<% String eid = request.getParameter("eid"); %> ... Employee ID: <%= eid %>
Bad · JSP
<% protected System.Web.UI.WebControls.TextBox Login; protected System.Web.UI.WebControls.Label EmployeeID; ... EmployeeID.Text = Login.Text; %> <p><asp:label id="EmployeeID" runat="server" /></p>
Bad · ASP.NET
CVE IDTitleCVSSSeverityPublished
CVE-2024-11426 AutoListicle: Automatically Update Numbered List Articles <= 1.2.3 - Authenticated (Contributor+) Stored Cross-Site Scripting — AutoListicle: Automatically Update Numbered List Articles 6.4 Medium2024-11-23
CVE-2024-11332 HIPAA Compliant Forms with Drag’n’Drop HIPAA Form Builder. Sign HIPAA documents <= 1.3.4 - Authenticated (Contributor+) Stored Cross-Site Scripting — HIPAA Compliant Forms with Drag’n’Drop HIPAA Form Builder. Sign HIPAA documents 6.4 Medium2024-11-23
CVE-2024-11387 Easy Liveblogs <= 2.3.5 - Authenticated (Contributor+) Stored Cross-Site Scripting — Easy Liveblogs 6.4 Medium2024-11-23
CVE-2024-11408 Slotti Ajanvaraus <= 1.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting — Slotti Ajanvaraus 6.4 Medium2024-11-23
CVE-2024-10880 JobBoardWP – Job Board Listings and Submissions <= 1.3.0 - Reflected Cross-Site Scripting — JobBoardWP – Job Board Listings and Submissions 6.1 Medium2024-11-23
CVE-2024-10116 Twitter Follow Button <= 0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via username Parameter — FireCask’s Twitter Follow Button 6.4 Medium2024-11-23
CVE-2024-11362 Payments Plugin and Checkout Plugin for WooCommerce: Stripe, PayPal, Square, Authorize.net <= 1.112.0 - Reflected Cross-Site Scripting — PeachPay — Payments & Express Checkout for WooCommerce (supports Stripe, PayPal, Square, Authorize.net, NMI) 6.1 Medium2024-11-23
CVE-2024-10886 Tribute Testimonials – WordPress Testimonial Grid/Slider <= 1.0.4 - Authenticated (Contributor+) Stored Cross-Site Scripting — Tribute Testimonials – WordPress Testimonial Grid/Slider 6.4 Medium2024-11-23
CVE-2024-10874 Quotes llama <= 3.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting — Quotes llama 6.4 Medium2024-11-23
CVE-2024-11463 DeBounce Email Validator <= 5.6.5 - Reflected Cross-Site Scripting — DeBounce Email Validator 6.1 Medium2024-11-23
CVE-2024-10869 GuardGiant Brute Force Protection <= 2.2.6 - Reflected Cross-Site Scripting — WordPress Brute Force Protection – Stop Brute Force Attacks 6.1 Medium2024-11-23
CVE-2024-52793 XSS vulnerability in serveDir API of @std/http/file-server on POSIX systems — std 5.4 -2024-11-22
CVE-2021-38119 Possible Reflected Cross-Site Scripting (XSS) Vulnerability in OpenText iManager — iManager 6.1 Medium2024-11-22
CVE-2021-38134 Possible Reflected and Stored XSS in OpenText iManager — iManager 6.1 Medium2024-11-22
CVE-2022-26324 Possible XSS in iManager URL for access Component — iManager 7.6 High2024-11-22
CVE-2024-32767 Photo Station — Photo Station 6.3 Medium2024-11-22
CVE-2024-32768 Photo Station — Photo Station 6.3 Medium2024-11-22
CVE-2024-32769 Photo Station — Photo Station 6.3 Medium2024-11-22
CVE-2024-32770 Photo Station — Photo Station 6.3 Medium2024-11-22
CVE-2024-8735 MailMunch – Grow your Email List <= 3.1.8 - Reflected Cross-Site Scripting — MailMunch – Grow your Email List 6.1 Medium2024-11-22
CVE-2024-11225 Premium Packages – Sell Digital Products Securely <= 5.9.3 - Reflected Cross-Site Scripting via add_query_arg — Premium Packages – Sell Digital Products Securely 6.1 Medium2024-11-22
CVE-2024-10034 Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery <= 3.2.4.2 - Authenticated (Editor+) Stored Cross-Site Scripting — Mixed Media Gallery Blocks 5.5 Medium2024-11-22
CVE-2024-11381 Control horas <= 1.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting — Control horas 6.4 Medium2024-11-22
CVE-2024-52053 Stored Cross-Site Scripting in Wowza Streaming Engine — Streaming Engine 6.1AIMediumAI2024-11-21
CVE-2024-52803 LLama Factory Remote OS Command Injection Vulnerability — LLaMA-Factory 7.5 High2024-11-21
CVE-2024-7130 Reflected XSS in Kion Computer's KION Exchange Programs Software — KION Exchange Programs Software 5.5 Medium2024-11-21
CVE-2024-11587 idcCMS classProvCity.php GetCityOptionJs cross site scripting — idcCMS 3.5 Low2024-11-21
CVE-2024-7016 Stored XSS in Smarttek Informatics' Smart Doctor — Smart Doctor 4.8 Medium2024-11-21
CVE-2024-10792 Easiest Funnel Builder For WordPress & WooCommerce by WPFunnels <= 3.5.5 - Reflected Cross-Site Scripting — WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell 6.1 Medium2024-11-21
CVE-2024-11371 Theater for WordPress <= 0.18.6.2 - Reflected Cross-Site Scripting — Theater for WordPress 6.1 Medium2024-11-21

Vulnerabilities classified as CWE-79 (在Web页面生成时对输入的转义处理不恰当(跨站脚本)) represent 21788 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.