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CVE-2026-84478— WWBN AVideo Unauthenticated Arbitrary Log File Deletion

Quick assessment

Affected
WWBN AVideo
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.

WWBN AVideo是WWBN组织开源的一个视频分享与内容管理平台。 WWBN AVideo 29.0及之前版本存在输入验证错误漏洞，该漏洞源于API get_api_login_code端点中code参数存在路径遍历问题，可能导致未经身份验证的攻击者删除任意.log文件并探测服务器上的文件存在性，造成文件删除和信息泄露。

CVSS 7.3 · High EPSS 0.56% · P46

Possible ATT&CK Techniques 2 AI

T1026 T1070 · Indicator Removal

Affected Version Matrix 1

VendorProduct Version RangeStatus
WWBN AVideo ≤ 29.0 affected
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I. Basic Information for CVE-2026-84478

Vulnerability Information
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Vulnerability Title
WWBN AVideo Unauthenticated Arbitrary Log File Deletion
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo contains a path traversal vulnerability in the API get_api_login_code endpoint that allows unauthenticated attackers to delete arbitrary .log files by supplying directory traversal sequences in the code parameter. Attackers can exploit this to destroy audit logs and probe for file existence on the server, with the vulnerability enabling both file deletion and information disclosure about the filesystem.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
WWBN AVideo 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WWBN AVideo是WWBN组织开源的一个视频分享与内容管理平台。 WWBN AVideo 29.0及之前版本存在输入验证错误漏洞，该漏洞源于API get_api_login_code端点中code参数存在路径遍历问题，可能导致未经身份验证的攻击者删除任意.log文件并探测服务器上的文件存在性，造成文件删除和信息泄露。
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
WWBN AVideo 0 ~ 29.0 -

II. Public POCs for CVE-2026-84478

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III. Intelligence Information for CVE-2026-84478

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Vendor Advisories for CVE-2026-84478 (2)

Same Patch Batch · WWBN · 2026-09-01 · 11 CVEs total

CVE-2026-84480 9.8 CRITICAL WWBN AVideo Password Recovery Token Expiration Bypass
CVE-2026-84479 9.1 CRITICAL WWBN AVideo Authentication Bypass via User-Agent Header
CVE-2026-84482 8.8 HIGH WWBN AVideo Cross-Site Request Forgery via get_domain() validation
CVE-2026-84187 8.2 HIGH AVideo on_publish.php Missing Authentication Check via RTMP Callback
CVE-2026-83595 8.1 HIGH AVideo Cross-Site Request Forgery via plugin/API/set.json.php
CVE-2026-84208 7.5 HIGH AVideo User_Location Plugin Unauthenticated SQL Injection
CVE-2026-84476 7.5 HIGH WWBN AVideo Authentication Bypass via X-Real-IP Header
CVE-2026-84481 6.9 MEDIUM WWBN AVideo through 30.0 Information Disclosure via MobileManager
CVE-2026-84477 5.4 MEDIUM AVideo Stored XSS via Live Schedule Title Description
CVE-2026-84483 5.3 MEDIUM WWBN AVideo Unauthenticated Password Hash Oracle via encryptPass.json.php

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-73

V. Comments for CVE-2026-84478

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