Microsoft Edge XSS Filter cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Edge. This vulnerability affects unknown code of the component XSS Filter. This manipulation causes cross site scripting. The identification of this vulnerability is CVE-2015-6176. Furthermore, there is an exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Edge (Web Browser) (the affected version is unknown). Affected by this vulnerability is an unknown code of the component XSS Filter. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Microsoft Edge mishandles HTML attributes in HTTP responses, which allows remote attackers to bypass a cross-site scripting (XSS) protection mechanism via unspecified vectors, aka "Microsoft Edge XSS Filter Bypass Vulnerability."

The weakness was shared 12/08/2015 by Masato Kinugawa as MS15-125 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is known as CVE-2015-6176 since 08/14/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 87254 (MS15-125: Cumulative Security Update for Microsoft Edge (3116184)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91138 (Microsoft Edge Cumulative Security Update (MS15-125)).

Applying the patch MS15-125 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (52372), Tenable (87254), SecurityFocus (BID 78518†) and Vulnerability Center (SBV-54991†). The entries VDB-79464, VDB-79465, VDB-79466 and VDB-79469 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87254
Nessus Name: MS15-125: Cumulative Security Update for Microsoft Edge (3116184)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Edge Multiple Vulnerabilities (3116184)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS15-125

Timelineinfo

08/14/2015 🔍
12/08/2015 +116 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/09/2015 +1 days 🔍
12/09/2015 +0 days 🔍
12/09/2015 +0 days 🔍
07/24/2025 +3515 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-125
Researcher: Masato Kinugawa
Status: Confirmed

CVE: CVE-2015-6176 (🔍)
GCVE (CVE): GCVE-0-2015-6176
GCVE (VulDB): GCVE-100-79489
SecurityFocus: 78518 - Microsoft Edge XSS Filter CVE-2015-6176 Security Bypass Vulnerability
SecurityTracker: 1034316
Vulnerability Center: 54991 - [MS15-125] Microsoft Edge XSS Filter Bypass Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/09/2015 12:03
Updated: 07/24/2025 02:21
Changes: 12/09/2015 12:03 (65), 05/13/2018 14:25 (14), 06/29/2022 07:50 (3), 07/24/2025 02:21 (23)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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