CWE-116— Improper Encoding or Escaping of Output
The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.— MITRE CWE catalog
574 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-116page 8 of 12
- CVE-2026-21443MEDIUMCVSS 6.1EG 6.12026-02-25
OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0, the `xl()` translation function returns unescaped strings. While wrapper functions exist for escaping in diffe…
- CVE-2026-27512MEDIUMCVSS 6.1EG 6.12026-02-23
Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a content-type confusion vulnerability in the administrative interface. Responses omit the X-Content-Type-Options: nosniff header and include attacker-influenced conte…
- CVE-2026-27469MEDIUMCVSS 6.1EG 6.12026-02-21
Isso is a lightweight commenting server written in Python and JavaScript. In commits before 0afbfe0691ee237963e8fb0b2ee01c9e55ca2144, there is a stored Cross-Site Scripting (XSS) vulnerability affecting the website and author comment field…
- CVE-2026-27013MEDIUMCVSS 6.1EG 6.12026-02-19
Fabric.js is a Javascript HTML5 canvas library. Prior to version 7.2.0, Fabric.js applies `escapeXml()` to text content during SVG export (`src/shapes/Text/TextSVGExportMixin.ts:186`) but fails to apply it to other user-controlled string v…
- CVE-2026-25543MEDIUMCVSS 6.1EG 6.12026-02-04
HtmlSanitizer is a .NET library for cleaning HTML fragments and documents from constructs that can lead to XSS attacks. Prior to versions 9.0.892 and 9.1.893-beta, if the template tag is allowed, its contents are not sanitized. The templat…
- CVE-2025-66488MEDIUMCVSS 6.1EG 6.12026-01-28
Discourse is an open source discussion platform. A vulnerability present in versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 affects anyone who uses S3 for uploads. While scripts may be executed, they will only be run in the con…
- CVE-2026-24127MEDIUMCVSS 6.1EG 6.12026-01-23
Typemill is a flat-file, Markdown-based CMS designed for informational documentation websites. A reflected Cross-Site Scripting (XSS) exists in the login error view template `login.twig` of versions 2.19.1 and below. The `username` value c…
- CVE-2026-1011MEDIUMCVSS 6.1EG 6.12026-01-16
A stored cross-site scripting (XSS) vulnerability exists in the Altium Support Center AddComment endpoint due to missing server-side input sanitization. Although the client interface applies HTML escaping, the backend accepts and stores ar…
- CVE-2025-13742MEDIUMCVSS 6.1EG 6.12025-11-27
Emails sent by pretix can utilize placeholders that will be filled with customer data. For example, when {name} is used in an email template, it will be replaced with the buyer's name for the final email. If the name of the attendee contai…
- CVE-2025-63785MEDIUMCVSS 6.1EG 6.12025-11-07
A DOM-based Cross-Site Scripting (XSS) vulnerability exists in the text editor feature of the Onlook web application 0.2.32. This vulnerability occurs because user-supplied input is not properly sanitized before being directly injected int…
- CVE-2021-47694MEDIUMCVSS 6.1EG 6.12025-10-30
The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.1.4 / Nagios XI 5.8.6 contains a reflected cross-site scripting (XSS) vulnerability via the Test Command functionality. Insufficient validation or escaping of user-suppli…
- CVE-2025-11712MEDIUMCVSS 6.1EG 6.12025-10-14
A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely ser…
- CVE-2025-47280MEDIUMCVSS 6.1EG 6.12025-05-13
Umbraco Forms is a form builder that integrates with the Umbraco content management system. Starting in the 7.x branch and prior to versions 13.4.2 and 15.1.2, the 'Send email' workflow does not HTML encode the user-provided field values i…
- CVE-2025-24025MEDIUMCVSS 6.1EG 6.12025-01-24
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to version 4.0.0-beta.380, the tags page allows users to search for tags. If the search does not return any results, the query gets r…
- CVE-2024-0233MEDIUMCVSS 6.1EG 6.12024-01-16
The EventON WordPress plugin before 4.5.5, EventON WordPress plugin before 2.2.7 do not properly sanitise and escape a parameter before outputting it back in pages, leading to a Reflected Cross-Site Scripting which could be used against hi…
- CVE-2023-4393MEDIUMCVSS 6.1EG 6.12023-10-30
HTML and SMTP injections on the registration page of LiquidFiles versions 3.7.13 and below, allow an attacker to perform more advanced phishing attacks against an organization.
- CVE-2022-31458MEDIUMCVSS 6.1EG 6.12023-07-25
RTX TRAP v1.0 was discovered to be vulnerable to host header poisoning.
- CVE-2022-0421MEDIUMCVSS 6.1EG 6.12022-11-21
The Five Star Restaurant Reservations WordPress plugin before 2.4.12 does not have authorisation when changing whether a payment was successful or failed, allowing unauthenticated users to change the payment status of arbitrary bookings. F…
- CVE-2022-2241MEDIUMCVSS 6.1EG 6.12022-08-01
The Featured Image from URL (FIFU) WordPress plugin before 4.0.1 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack. Furthermore, due to the lac…
- CVE-2022-22344MEDIUMCVSS 6.1EG 6.12022-03-14
IBM Spectrum Copy Data Management 2.2.0.0 through 2.2.14.3 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable s…
- CVE-2022-22734MEDIUMCVSS 6.1EG 6.12022-03-14
The Simple Quotation WordPress plugin through 1.3.2 does not have CSRF check when creating or editing a quote and does not sanitise and escape Quotes. As a result, attacker could make a logged in admin create or edit arbitrary quote, and p…
- CVE-2021-43106MEDIUMCVSS 6.1EG 6.12022-02-14
A Header Injection vulnerability exists in Compass Plus TranzWare Online FIMI Web Interface Tranzware Online (TWO) 5.3.33.3 F38 and FIMI 4.2.19.4 25.The HTTP host header can be manipulated and cause the application to behave in unexpected …
- CVE-2022-0220MEDIUMCVSS 6.1EG 6.12022-02-01
The check_privacy_settings AJAX action of the WordPress GDPR WordPress plugin before 1.9.27, available to both unauthenticated and authenticated users, responds with JSON data without an "application/json" content-type. Since an HTML paylo…
- CVE-2021-21684MEDIUMCVSS 6.1EG 6.12021-10-06
Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability.
- CVE-2017-18892MEDIUMCVSS 6.1EG 6.12020-06-19
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. E-mail templates can have a field in which HTML content is not neutralized.
- CVE-2019-11547MEDIUMCVSS 6.1EG 6.12019-09-09
An issue was discovered in GitLab Community and Enterprise Edition before 11.8.9, 11.9.x before 11.9.10, and 11.10.x before 11.10.2. It has Improper Encoding or Escaping of Output. The branch name on new merge request notification emails i…
- CVE-2022-45102MEDIUMCVSS 5.4EG 6.12023-02-01
Dell EMC Data Protection Central, versions 19.1 through 19.7, contains a Host Header Injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary \u2018Host\u2019 header valu…
- CVE-2026-20136MEDIUMCVSS 6.0EG 6.02026-04-15
A vulnerability in the CLI of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, local attacker with administrative privileges to perform a command injection attack on…
- CVE-2026-55859MEDIUMCVSS 5.9EG 5.92026-08-28
MariaDB Connector/R2DBC is a non-blocking MariaDB and MySQL client implemented in Java. Prior to 1.4.1, org.mariadb:r2dbc-mariadb encodes and decodes all character data under the assumption that the connection character set is UTF-8. A ser…
- CVE-2026-49844MEDIUMCVSS 5.9EG 5.92026-07-10
Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON. This issue affects Apache Log4j API versions 2.13.1 through 2.25.4 and version 2.26.0. …
- CVE-2026-40567MEDIUMCVSS 5.8EG 5.82026-04-21
FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, an unauthenticated attacker can inject arbitrary HTML into outgoing emails generated by FreeScout by sending an email with a crafted From display name.…
- CVE-2026-70609MEDIUMCVSS 5.7EG 5.72026-08-05
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.7, 40.9.0, 41.2.0, and 42.0.0-beta.1, the mode option of webContents.openDevTools() was not sanitized before use by the D…
- CVE-2026-6058MEDIUMCVSS 5.7EG 5.72026-04-21
** UNSUPPORTED WHEN ASSIGNED ** An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the WLAN to cause a denial-of-service (DoS) conditio…
- CVE-2025-4084MEDIUMCVSS 5.7EG 5.72025-04-29
Due to insufficient escaping of the special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. *This bug only affects Firefox …
- CVE-2024-6329MEDIUMCVSS 5.7EG 5.72024-08-08
An issue was discovered in GitLab CE/EE affecting all versions starting from 8.16 prior to 17.0.6, starting from 17.1 prior to 17.1.4, and starting from 17.2 prior to 17.2.2, which causes the web interface to fail to render the diff correc…
- CVE-2023-3481MEDIUMCVSS 5.7EG 5.72023-08-21
Critters versions 0.0.17-0.0.19 have an issue when parsing the HTML, which leads to a potential cross-site scripting (XSS) bug. We recommend upgrading to version 0.0.20 of the extension.
- CVE-2021-20844MEDIUMCVSS 5.7EG 5.72021-11-24
Improper neutralization of HTTP request headers for scripting syntax vulnerability in the Web GUI of RTX830 Rev.15.02.17 and earlier, NVR510 Rev.15.01.18 and earlier, NVR700W Rev.15.00.19 and earlier, and RTX1210 Rev.14.01.38 and earlier a…
- CVE-2018-2389MEDIUMCVSS 5.7EG 5.72018-02-14
Under certain conditions a malicious user can inject log files of SAP Internet Graphics Server (IGS), 7.20, 7.20EXT, 7.45, 7.49, 7.53, hiding important information in the log file.
- CVE-2026-52772MEDIUMCVSS 5.5EG 5.52026-07-09
YesWiki is a wiki system written in PHP. Prior to version 4.6.6, Bazar form-field templates still apply |raw('html') to field.label / field.hint in attribute and label-body contexts, resulting stored XSS in form renders. This issue has bee…
- CVE-2026-56379MEDIUMCVSS 5.5EG 5.52026-06-23
ImageMagick before 7.1.2-15 and 6.9.13-40 contains a command injection vulnerability in the SVG decoder that allows attackers to inject arbitrary MVG drawing commands. Attackers can craft malicious SVG files with injected Magick Vector Gra…
- CVE-2025-66548MEDIUMCVSS 5.5EG 5.52025-12-05
Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.12.7, 1.14.4, and 1.15.1, file extension can be spoofed by using RTLO characters, tricki…
- CVE-2025-9127MEDIUMCVSS 5.5EG 5.52025-12-04
A vulnerability exists in PX Enterprise whereby sensitive information may be logged under specific conditions.
- CVE-2023-31669MEDIUMCVSS 5.5EG 5.52023-05-23
WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote (").
- CVE-2022-20230MEDIUMCVSS 5.5EG 5.52022-07-13
In choosePrivateKeyAlias of KeyChain.java, there is a possible access to the user's certificate due to improper input validation. This could lead to local information disclosure with no additional execution privileges needed. User interact…
- CVE-2026-13407MEDIUMCVSS 5.4EG 5.42026-09-16
The Royal Elementor Addons WordPress plugin before 1.7.1067 does not properly sanitize and escape values submitted through its form widget before including them in the body of administrator notification emails, allowing unauthenticated att…
- CVE-2026-48376MEDIUMCVSS 5.4EG 5.42026-08-11
is affected by an Improper Encoding or Escaping of Output vulnerability that could result in a Security feature bypass. A low-privileged attacker could leverage this vulnerability to bypass security measures and gain limited unauthorized w…
- CVE-2026-64647MEDIUMCVSS 5.4EG 5.42026-07-22
Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, a server-side fetch with a request body may return a cached response body from a different request to the…
- CVE-2026-12047MEDIUMCVSS 5.4EG 5.42026-06-19
HTML injection in pgAdmin 4's cloud deployment module. The verify_credentials, deploy, regions, and update-server endpoints under /rds/, /azure/, /google/, and the top-level /cloud/ blueprint propagated AWS / Azure / Google SDK exception t…
- CVE-2026-46637MEDIUMCVSS 5.4EG 5.42026-05-21
Twig is a template language for PHP. Prior to 3.26.0, several filters in twig/markdown-extra and twig/cssinliner-extra are registered with is_safe => [all], causing Twig to treat plain text or HTML output as safe in HTML, JavaScript, CSS, …
- CVE-2026-46628MEDIUMCVSS 5.4EG 5.42026-05-21
Twig is a template language for PHP. Prior to 3.26.0, the deprecated spaceless filter is registered as safe for HTML, causing Twig autoescaping to emit attacker-controlled markup unescaped when spaceless is applied to untrusted input. This…
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