WordPress up to 4.7.4 Large File Upload filename cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in WordPress up to 4.7.4. It has been rated as problematic. This issue affects some unknown processing of the component Large File Upload Handler. This manipulation of the argument filename causes cross site scripting. The identification of this vulnerability is CVE-2017-9061. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in WordPress up to 4.7.4 (Content Management System) and classified as problematic. Affected by this vulnerability is an unknown function of the component Large File Upload Handler. The manipulation of the argument filename 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:

In WordPress before 4.7.5, a cross-site scripting (XSS) vulnerability exists when attempting to upload very large files, because the error message does not properly restrict presentation of the filename.

The bug was discovered 05/16/2017. The weakness was shared 05/18/2017 by Yorick Koster (Website). It is possible to read the advisory at codex.wordpress.org. This vulnerability is known as CVE-2017-9061 since 05/18/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 100298 (WordPress < 4.7.5 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176049 (Debian Security Update for wordpress (DSA 3870-1)).

Upgrading to version 3.7.21, 3.8.21, 3.9.19, 4.0.18, 4.1.18, 4.2.15, 4.3.11, 4.4.10, 4.5.9, 4.6.6 or 4.7.5 eliminates this vulnerability. The upgrade is hosted for download at github.com. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100298) and SecurityFocus (BID 98509†). Additional details are provided at hackerone.com. The entries VDB-101480, VDB-101481, VDB-101482 and VDB-101483 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100298
Nessus Name: WordPress < 4.7.5 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703870
OpenVAS Name: Debian Security Advisory DSA 3870-1 (wordpress - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WordPress 3.7.21/3.8.21/3.9.19/4.0.18/4.1.18/4.2.15/4.3.11/4.4.10/4.5.9/4.6.6/4.7.5
Patch: github.com

Timelineinfo

05/16/2017 🔍
05/16/2017 +0 days 🔍
05/16/2017 +0 days 🔍
05/18/2017 +2 days 🔍
05/18/2017 +0 days 🔍
05/18/2017 +0 days 🔍
05/19/2017 +1 days 🔍
05/19/2017 +0 days 🔍
12/06/2022 +2027 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: 8c7ea71edbbffca5d9766b7bea7c7f3722ffafa6
Researcher: Yorick Koster
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-9061 (🔍)
GCVE (CVE): GCVE-0-2017-9061
GCVE (VulDB): GCVE-100-101479

OVAL: 🔍

SecurityFocus: 98509 - WordPress Prior to 4.7.5 Multiple Security Vulnerabilities
SecurityTracker: 1038520

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/19/2017 09:09
Updated: 12/06/2022 15:33
Changes: 05/19/2017 09:09 (81), 06/07/2020 21:53 (2), 12/25/2020 07:26 (2), 12/06/2022 15:33 (4)
Complete: 🔍
Cache ID: 216::103

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