Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Rami Yushuvaev Pastebin allows Stored XSS.This issue affects Pastebin: from n/a through 1.5.

dpaste is an open source pastebin application written in Python using the Django framework. A security vulnerability has been identified in the expires parameter of the dpaste API, allowing for a POST Reflected XSS attack. This vulnerability can be exploited by an attacker to execute arbitrary JavaScript code in the context of a user's browser, potentially leading to unauthorized access, data theft, or other malicious activities. Users are strongly advised to upgrade to dpaste release v3.8 or later versions, as dpaste versions older than v3.8 are susceptible to the identified security vulnerability. No known workarounds have been identified, and applying the patch is the most effective way to remediate the vulnerability.

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in paste allows remote attackers to place Javascript into SVG files. This issue affects: openSUSE paste paste version b57b9f87e303a3db9465776e657378e96845493b and prior versions.

A vulnerability was found in pastebinit up to 0.2.2 and classified as problematic. Affected by this issue is the function pasteHandler of the file server.go. The manipulation of the argument r.URL.Path leads to path traversal. Upgrading to version 0.2.3 is able to address this issue. The name of the patch is 1af2facb6d95976c532b7f8f82747d454a092272. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-217040.

@github/paste-markdown is an npm package for pasting markdown objects. A self Cross-Site Scripting vulnerability exists in the @github/paste-markdown before version 0.3.4. If the clipboard data contains the string `<table>`, a **div** is dynamically created, and the clipboard content is copied into its **innerHTML** property without any sanitization, resulting in improper execution of JavaScript in the browser of the victim (the user who pasted the code). Users directed to copy text from a malicious website and paste it into pages that utilize this library are affected. This is fixed in version 0.3.4. Refer the to the referenced GitHub Advisory for more details including an example exploit.

CKEditor 5 provides a WYSIWYG editing solution. This CVE affects the following npm packages: ckeditor5-engine, ckeditor5-font, ckeditor5-image, ckeditor5-list, ckeditor5-markdown-gfm, ckeditor5-media-embed, ckeditor5-paste-from-office, and ckeditor5-widget. Following an internal audit, a regular expression denial of service (ReDoS) vulnerability has been discovered in multiple CKEditor 5 packages. The vulnerability allowed to abuse particular regular expressions, which could cause a significant performance drop resulting in a browser tab freeze. It affects all users using the CKEditor 5 packages listed above at version <= 26.0.0. The problem has been recognized and patched. The fix will be available in version 27.0.0.

The KRandom::random function in KDE Paste Applet after 4.10.5 in kdeplasma-addons uses the GNU C Library rand function's linear congruential generator, which makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms by predicting the generator output.

The %{password(...)} macro in pastemacroexpander.cpp in the KDE Paste Applet before 4.10.5 in kdeplasma-addons does not properly generate passwords, which allows context-dependent attackers to bypass authentication via a brute-force attack.

Cross-site scripting (XSS) vulnerability in index.php in PHP-pastebin 2.1 allows remote attackers to inject arbitrary web script or HTML via the title parameter.

Paste Script 1.7.5 and earlier does not properly set group memberships during execution with root privileges, which might allow remote attackers to bypass intended file-access restrictions by leveraging a web application that uses the local filesystem.