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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 23319

23319 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-2025-40991 Stored XSS in Creativeitem Ekushey CRM — Ekushey CRM 6.1 -2025-10-02
CVE-2025-40990 Stored XSS in Creativeitem Ekushey CRM — Ekushey CRM 6.1 -2025-10-02
CVE-2025-40989 Stored XSS in Creativeitem Ekushey CRM — Ekushey CRM 6.1 -2025-10-02
CVE-2025-34182 Deciso OPNsense < 25.7.4 /interfaces_ppps_edit.php ptpid Stored XSS — OPNsense 5.4AIMediumAI2025-10-01
CVE-2025-20357 Cisco CyberVision Center Reports Stored Cross-Site Scripting Vulnerability — Cisco Cyber Vision 5.4 Medium2025-10-01
CVE-2025-20361 Cisco Unified Communications Manager Stored Cross-Site Scripting Vulnerability — Cisco Unified Communications Manager 4.8 Medium2025-10-01
CVE-2025-20356 Cisco CyberVision Center Sensor Explorer Stored Cross-Site Scripting Vulnerability — Cisco Cyber Vision 5.4 Medium2025-10-01
CVE-2025-20368 Stored Cross-Site Scripting (XSS) through missing field warning messages in Saved Search and Job Inspector on Splunk Enterprise — Splunk Enterprise 5.7 Medium2025-10-01
CVE-2025-20367 Reflected Cross-site Scripting (XSS) in '/app/search/table' endpoint through the 'dataset.command' parameter on Splunk Enterprise — Splunk Enterprise 5.7 Medium2025-10-01
CVE-2025-40648 Stored Cross-Site Scripting (XSS) vulnerability in Issabel products — Issabel 5.4AIMediumAI2025-10-01
CVE-2025-40647 Stored Cross-Site Scripting (XSS) vulnerability in Issabel products — Issabel 5.4AIMediumAI2025-10-01
CVE-2025-9075 ZoloBlocks – Gutenberg Block Editor Plugin with Advanced Blocks, Dynamic Content, Templates & Patterns <= 2.3.10 - Authenticated (Contributor+) Stored Cross-Site Scripting — ZoloBlocks – Gutenberg Block Editor Plugin with Advanced Blocks, Dynamic Content, Templates & Patterns 6.4 Medium2025-10-01
CVE-2025-43826 Liferay Portal和Liferay DXP 跨站脚本漏洞 — Portal 6.1AIMediumAI2025-09-30
CVE-2025-36132 IBM Planning Analytics Local cross-site scripting — Planning Analytics Local 5.4 Medium2025-09-30
CVE-2025-54476 Joomla! Core - [20250901] Inadequate content filtering within the checkAttribute filter code — Joomla! CMS 6.1AIMediumAI2025-09-30
CVE-2025-8116 Reflected XSS in PAD CMS — PAD CMS 6.1AIMediumAI2025-09-30
CVE-2025-6941 LatePoint <= 5.1.94 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode — LatePoint – Calendar Booking Plugin for Appointments and Events 6.4 Medium2025-09-30
CVE-2025-6815 LatePoint <= 5.1.94 - Authenticated (Administrator+) Stored Cross-Site Scripting — LatePoint – Calendar Booking Plugin for Appointments and Events 5.5 Medium2025-09-30
CVE-2025-8777 planetcalc <= 2.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via language Parameter — planetcalc 6.4 Medium2025-09-30
CVE-2025-10196 SurveyAnyplace Plugin <= 1.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting — Survey Anyplace 6.4 Medium2025-09-30
CVE-2025-8214 The Pack Elementor addon <= 2.1.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Typing Letter Widget — The Pack Elementor addon 6.4 Medium2025-09-30
CVE-2025-8608 Mihdan: Elementor Yandex Maps <= 1.6.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via Marker Pins — Maps from Yandex for Elementor 6.4 Medium2025-09-30
CVE-2025-10189 BP Direct Menus <= 1.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting — BP Direct Menus 6.4 Medium2025-09-30
CVE-2025-10168 Any News Ticker <= 3.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting — Any News Ticker 6.4 Medium2025-09-30
CVE-2025-10182 dbview <= 0.5.5 - Authenticated (Contributor+) Stored Cross-Site Scripting — dbview 6.4 Medium2025-09-30
CVE-2025-8623 WeedMaps Menu for WordPress <= 1.2.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via weedmaps_menu Shortcode — WeedMaps Menu for WordPress 6.4 Medium2025-09-30
CVE-2025-8624 Nexa Blocks <= 1.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Google Maps Widget — Nexa Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE 6.4 Medium2025-09-30
CVE-2025-10191 Big Post Shipping for WooCommerce <= 2.1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting — Big Post Shipping for WooCommerce 6.4 Medium2025-09-30
CVE-2025-10131 All Social Share Options <= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting — All Social Share Options 6.4 Medium2025-09-30
CVE-2025-8560 FancyTabs <= 1.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via title Parameter — FancyTabs 6.4 Medium2025-09-30

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 23319 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.