WordPress up to 5.2.2 Media Upload wp_ajax_upload_attachment cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in WordPress up to 5.2.2. The affected element is an unknown function of the component Media Upload. Executing a manipulation of the argument wp_ajax_upload_attachment can lead to cross site scripting. The identification of this vulnerability is CVE-2019-16217. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in WordPress up to 5.2.2 (Content Management System) and classified as problematic. This vulnerability affects an unknown code block of the component Media Upload. The manipulation of the argument wp_ajax_upload_attachment 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. CVE summarizes:

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

The weakness was shared 09/11/2019 (Website). The advisory is shared for download at seclists.org. This vulnerability was named CVE-2019-16217 since 09/11/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 259385 (Linux Distros Unpatched Vulnerability : CVE-2019-16217), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.2.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (259385). The entries VDB-141665, VDB-141666, VDB-141667 and VDB-141668 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
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: 259385
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2019-16217

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WordPress 5.2.3

Timelineinfo

09/11/2019 🔍
09/11/2019 +0 days 🔍
09/12/2019 +1 days 🔍
08/31/2025 +2180 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: 45936
Status: Confirmed

CVE: CVE-2019-16217 (🔍)
GCVE (CVE): GCVE-0-2019-16217
GCVE (VulDB): GCVE-100-141664
See also: 🔍

Entryinfo

Created: 09/12/2019 08:26
Updated: 08/31/2025 09:40
Changes: 09/12/2019 08:26 (57), 08/21/2020 09:05 (1), 12/19/2023 10:18 (4), 12/19/2023 10:24 (1), 08/31/2025 09:40 (18)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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