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CVE-2026-78997

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

UCWEB UC Browser是中国UCWEB公司的一款移动端网络浏览器。 UCWEB UC Browser 13.7.8.1314版本存在安全漏洞，该漏洞源于通用跨站脚本（UXSS）漏洞，攻击者可利用UC自有域名上的反射型XSS，通过浏览器内部JavaScript桥注册延迟回调，将标签页导航至受害者站点，并在登录对话框关闭时执行任意JavaScript。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.40% · P33

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-78997

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
UC Browser for Android (package com.UCMobile.intl, version 13.7.8.1314) contains a Universal Cross-Site Scripting vulnerability that allows an attacker to execute arbitrary JavaScript in the context of any origin. An attacker hosts a specially crafted URL on a UC-owned domain (via a reflected XSS) that leverages the browser's internal JavaScript bridge to register a deferred callback, navigate the tab to a victim site, and then execute attacker-controlled code on that site when a login dialog is dismissed.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
UCWEB UC Browser 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UCWEB UC Browser是中国UCWEB公司的一款移动端网络浏览器。 UCWEB UC Browser 13.7.8.1314版本存在安全漏洞，该漏洞源于通用跨站脚本（UXSS）漏洞，攻击者可利用UC自有域名上的反射型XSS，通过浏览器内部JavaScript桥注册延迟回调，将标签页导航至受害者站点，并在登录对话框关闭时执行任意JavaScript。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2026-78997

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III. Intelligence Information for CVE-2026-78997

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Proof of Concept for CVE-2026-78997 (2)

Same Patch Batch · n/a · 2026-09-08 · 28 CVEs total

CVE-2026-86810 7.3 HIGH Open-Web-Analytics Controller Controller.php checkCapabilityAndAuthenticateUser improper a
CVE-2026-86514 6.3 MEDIUM vgmstream txth-txtp txth.c sscanf stack-based overflow
CVE-2026-86515 4.3 MEDIUM vgmstream txtp txtp_parser.c add_entry resource consumption
CVE-2026-79570 mfish-nocode 安全漏洞
CVE-2026-78971 Halo 安全漏洞
CVE-2026-78738 Silverpeas Core 安全漏洞
CVE-2026-78741 Silverpeas 跨站脚本漏洞
CVE-2026-78742 Silverpeas 跨站脚本漏洞
CVE-2026-79588 U-SPEED WIFI4 N300 T1 Pro 加密问题漏洞
CVE-2026-30754 FFmpeg 安全漏洞
CVE-2026-78834 CMSimple 代码注入漏洞
CVE-2026-52486 The OpenDDS Project OpenDDS 加密问题漏洞
CVE-2026-52307 ClassCMS 1CMS 安全漏洞
CVE-2026-79569 RayX Movie_Recommend SQL注入漏洞
CVE-2026-78838 AppNitro MachForm 安全漏洞
CVE-2026-79573 zcarsenal JFinalOA 安全漏洞
CVE-2026-79572 Distribution Management 安全漏洞
CVE-2026-79574 mpush 安全漏洞
CVE-2026-79575 yfhl yfexam-exam 安全漏洞
CVE-2026-79576 Risesoft Digital-Infrastructure 授权问题漏洞

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-78997

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