Plupload up to 2.1.1 on WordPress plupload.flash.swf Target cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Plupload up to 2.1.1 on WordPress. This affects an unknown part of the file plupload.flash.swf. The manipulation of the argument Target leads to cross site scripting. This vulnerability is referenced as CVE-2015-3439. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Plupload up to 2.1.1 on WordPress (WordPress Plugin). This issue affects some unknown functionality of the file plupload.flash.swf. The manipulation of the argument target with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in the Ephox (formerly Moxiecode) plupload.flash.swf shim 2.1.2 in Plupload, as used in WordPress 3.9.x, 4.0.x, and 4.1.x before 4.1.2 and other products, allows remote attackers to execute same-origin JavaScript functions via the target parameter, as demonstrated by executing a certain click function, related to _init.as and _fireEvent.as.

The weakness was published 08/05/2015 by Michael Kapfer (Basti) (Website). The advisory is shared at codex.wordpress.org. The identification of this vulnerability is CVE-2015-3439 since 04/28/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 83918 (Debian DLA-236-1 : wordpress security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11505 (WordPress Prior to 4.1.2 Multiple Security Vulnerabilities).

Upgrading to version 2.1.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (83918), SecurityFocus (BID 74269†) and Vulnerability Center (SBV-51801†). Similar entries are available at VDB-68304, VDB-68562, VDB-68563 and VDB-68564. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

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

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 83918
Nessus Name: Debian DLA-236-1 : wordpress security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703250
OpenVAS Name: Debian Security Advisory DSA 3250-1 (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: Plupload 2.1.2

Timelineinfo

04/21/2015 🔍
04/28/2015 +7 days 🔍
08/05/2015 +99 days 🔍
08/05/2015 +0 days 🔍
08/05/2015 +0 days 🔍
08/06/2015 +1 days 🔍
08/09/2015 +3 days 🔍
06/07/2022 +2494 days 🔍

Sourcesinfo

Advisory: 32168
Researcher: Michael Kapfer (Basti)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-3439 (🔍)
GCVE (CVE): GCVE-0-2015-3439
GCVE (VulDB): GCVE-100-76925

OVAL: 🔍

SecurityFocus: 74269 - WordPress Multiple Security Vulnerabilities
SecurityTracker: 1032207
Vulnerability Center: 51801 - WordPress Ephox Plugin Remote XSS Related to _init.as and _fireEvent.as, Medium

See also: 🔍

Entryinfo

Created: 08/06/2015 09:58
Updated: 06/07/2022 11:53
Changes: 08/06/2015 09:58 (62), 10/01/2017 20:22 (13), 06/07/2022 11:45 (4), 06/07/2022 11:53 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!