CVE-2026-39838
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation MediaWiki - Proof
CVSS
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No CVSS
EPSS
0.4%
p34
KEV
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Exploit Today
10
0-100
Published: Apr 7, 2026 · Last modified: Jul 21, 2026 · CWE-79
0.4%EPSS · 30 days0.4%
2026-08-252026-09-22
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows XSS Targeting Non-Script Elements. The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2026-5696——
———Reflected Cross-Site Scripting (XSS) in Microweber. The vulnerability lies in the ‘group’ parameter of the ‘/admin/settings’ endpoint in the administration panel. A successful exploit allows an attacker to trick an authenticated user into executing malicious JavaScript code in their browser. This enables the attacker to perform actions without the victim’s consent, steal confidential information or hijack the user’s session.4hCVE-2026-956268.3 HIG—
———Tauri's Content Security Policy hardening, which injects a random nonce to restrict script execution, provides zero protection when an application includes data: or blob: in its script-src directive. Per the CSP Level 3 specification, these scheme sources remain active even when a nonce is present, allowing arbitrary script execution without knowing the nonce.5hCVE-2026-91999——
———Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling XSS.
This issue affects Apache Sling XSS: before 2.4.12.
Users are recommended to upgrade to version 2.4.12, which fixes the issue.5hCVE-2026-91928——
———Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling XSS.
This issue affects Apache Sling XSS: before 2.4.12.
Users are recommended to upgrade to version 2.4.12, which fixes the issue.5hCVE-2026-91852——
———Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling XSS.
This issue affects Apache Sling XSS: before 2.4.12.
Users are recommended to upgrade to version 2.4.12, which fixes the issue.5hCVE-2026-73192——
———An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability when using the XSSAPI.getValidHref() in Apache Sling XSS version 2.4.10 and prior may allow an attacker to perform a reflected cross-site scripting (XSS) attack in every feature using this method. In order to successfully attack an application, the attacker needs to be able to submit a value which is not correctly sanitized by that library.
Upgrade to Apache Sling XSS >= 2.4.125h