WordPress up to 4.4.2 ajax-actions.php wp_ajax_wp_compression_test cross-site request forgery

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in WordPress up to 4.4.2. Affected by this issue is the function wp_ajax_wp_compression_test of the file wp-admin/includes/ajax-actions.php. Such manipulation leads to cross-site request forgery. This vulnerability is traded as CVE-2016-6635. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in WordPress up to 4.4.2 (Content Management System). It has been rated as critical. Affected by this issue is the function wp_ajax_wp_compression_test of the file wp-admin/includes/ajax-actions.php. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Cross-site request forgery (CSRF) vulnerability in the wp_ajax_wp_compression_test function in wp-admin/includes/ajax-actions.php in WordPress before 4.5 allows remote attackers to hijack the authentication of administrators for requests that change the script compression option.

The weakness was shared 08/07/2016 (Website). The advisory is available at codex.wordpress.org. This vulnerability is handled as CVE-2016-6635 since 08/07/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

By approaching the search of inurl:wp-admin/includes/ajax-actions.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 93667 (Debian DLA-633-1 : 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 and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175849 (Debian Security Update for wordpress (DSA 3681-1)).

Upgrading to version 4.5.0 eliminates this vulnerability. The upgrade is hosted for download at codex.wordpress.org. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (93667). The entries VDB-90607, VDB-90673, VDB-95029 and VDB-95030 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93667
Nessus Name: Debian DLA-633-1 : wordpress security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 831126
OpenVAS Name: WordPress Core Multiple Vulnerabilities May16 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: WordPress 4.5.0
Patch: github.com

Timelineinfo

08/07/2016 🔍
08/07/2016 +0 days 🔍
08/07/2016 +0 days 🔍
08/08/2016 +1 days 🔍
09/22/2016 +45 days 🔍
09/23/2016 +1 days 🔍
09/13/2022 +2181 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: 9b7a7754133c50b82bd9d976fb5b24094f658aab
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6635 (🔍)
GCVE (CVE): GCVE-0-2016-6635
GCVE (VulDB): GCVE-100-90674

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 08/08/2016 15:30
Updated: 09/13/2022 12:35
Changes: 08/08/2016 15:30 (67), 05/08/2019 13:02 (11), 09/13/2022 12:35 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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