CVE-2024-9285Public exploitNetwork attack vector

Account hijacking via JavaScript URL navigation race

Published Feb 27, 2025 · Updated Feb 27, 2025

Universal cross-site scripting in Tu Yafeng Via Browser 5.9.0 and earlier allows remote attackers to hijack web sessions. The via.searchText JavaScript bridge opens javascript: URLs, and repeated calls race a navigation so the payload executes in the destination origin. A victim must visit attacker-controlled content or load a malicious advertisement; successful exploitation reads session cookies and impersonates logged-in users across sites.

CVSS severity5.3
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Universal cross-site scripting in Tu Yafeng Via Browser 5.9.0 and earlier allows remote attackers to hijack web sessions. The via.searchText JavaScript bridge opens javascript: URLs, and repeated calls race a navigation so the payload executes in the destination origin. A victim must visit attacker-controlled content or load a malicious advertisement; successful exploitation reads session cookies and impersonates logged-in users across sites.

The record

CVE
CVE-2024-9285
Published
Feb 27, 2025
Updated
Feb 27, 2025
Vendor
Tu Yafeng
Product
Via Browser
Classifications
CWE-79, CWE-94, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 27, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 27, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.0
  2. Affected versionversion=5.1
  3. Affected versionversion=5.2
  4. Affected versionversion=5.3
  5. Affected versionversion=5.4
  6. Affected versionversion=5.5
  7. Affected versionversion=5.6
  8. Affected versionversion=5.7
  9. Affected versionversion=5.8
  10. Affected versionversion=5.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Tu Yafeng · Via Browserversion=5.0; version=5.1; version=5.2; version=5.3; version=5.4; version=5.5; version=5.6; version=5.7; version=5.8; version=5.9

Published CVSS scores

5.0VulDBAV:N/AC:L/Au:N/C:N/I:P/A:N
5.3VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
6.1modzeroCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
4.3VulDBCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1189Drive-by Compromise

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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