Read the docs
TI-2009-02875 Aliases CVE-2009-3018GHSA-v78g-r5jj-c2v7

Maxthon Browser 3.0.0.145 Alpha with Ultramode does not properly block javascript: and…

Priority LOW 22CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · Partial · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Maxthon Browser 3.0.0.145 Alpha with Ultramode does not properly block javascript: and data: URIs in Refresh headers in HTTP responses, which allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (1) injecting a Refresh header that contains a javascript: URI, (2) entering a javascript: URI when specifying the content of a Refresh header, (3) injecting a Refresh header that contains JavaScript sequences in a data:text/html URI, or (4) entering a data:text/html URI with JavaScript sequences when specifying the content of a Refresh header; does not properly block data: URIs in Location headers in HTTP responses, which allows user-assisted remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (5) injecting a Location header that contains JavaScript sequences in a data:text/html URI or (6) entering a data:text/html URI with JavaScript sequences when specifying the content of a Location header; and does not properly handle javascript: URIs in HTML links within (a) 301 and (b) 302 error documents sent from web servers, which allows user-assisted remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (7) injecting a Location HTTP response header or (8) specifying the content of a Location HTTP response header.

Why it matters now

EPSS 0.01073 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:maxthon:maxthon_browser:3.0.0.145:alpha:*:*:*:*:*:*3.0.0.145 alphaVulnerableMaxthon
  • cpe:2.3:a:maxthon:maxthon_browser:3.0.0.145:alpha:*:*:*:*:*:* Versions 3.0.0.145 alpha Vulnerable ·Maxthon

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-3018
  2. 2026-10-03 Alias added: GHSA-v78g-r5jj-c2v7

References

  • TI-2008-03511 Stack-based buffer overflow in Maxthon Browser 2.0 and earlier allows remote attackers to… CVSS 2.0MEDIUM 6.8
  • TI-2019-12447 Unquoted Search Path in Maxthon 5.1.0 to 5.2.7 Browser for Windows. CVSS 3.1HIGH 7.2
  • TI-2010-04944 Multiple untrusted search path vulnerabilities in Maxthon Browser 1.6.7.35 and 2.5.15… CVSS 2.0MEDIUM 6.9
  • TI-2009-02863 Maxthon Browser 2.5.3.80 UNICODE allows remote attackers to spoof the address bar, via… CVSS 2.0MEDIUM 4.3

Sources