WordPress up to 4.9.4 get_the_generator 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 classified as problematic has been found in WordPress up to 4.9.4. Affected by this issue is the function get_the_generator. This manipulation causes cross site scripting. This vulnerability is tracked as CVE-2018-10102. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in WordPress up to 4.9.4 (Content Management System). Affected by this vulnerability is the function get_the_generator. 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:

Before WordPress 4.9.5, the version string was not escaped in the get_the_generator function, and could lead to XSS in a generator tag.

The bug was discovered 04/03/2018. The weakness was disclosed 04/16/2018 by Nitin Venkatesh (Website). It is possible to read the advisory at codex.wordpress.org. This vulnerability is known as CVE-2018-10102 since 04/14/2018. 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 was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 109407 (Debian DLA-1366-1 : 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 154005 (WordPress Prior to 4.9.5 Multiple Security Vulnerabilities).

Upgrading to version 3.7.26, 3.8.26, 3.9.24, 4.0.23, 4.1.23, 4.2.20, 4.3.16, 4.4.15, 4.5.14, 4.6.11, 4.7.10, 4.8.6 or 4.9.5 eliminates this vulnerability. The upgrade is hosted for download at github.com. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (109407) and SecurityFocus (BID 103775†). The entries VDB-116225 and VDB-116226 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

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: 109407
Nessus Name: Debian DLA-1366-1 : wordpress security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 52392
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 1366-1] wordpress security update)
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 3.7.26/3.8.26/3.9.24/4.0.23/4.1.23/4.2.20/4.3.16/4.4.15/4.5.14/4.6.11/4.7.10/4.8.6/4.9.5
Patch: github.com

Timelineinfo

04/03/2018 🔍
04/03/2018 +0 days 🔍
04/14/2018 +11 days 🔍
04/16/2018 +1 days 🔍
04/16/2018 +0 days 🔍
04/16/2018 +0 days 🔍
04/27/2018 +11 days 🔍
04/30/2018 +3 days 🔍
02/28/2023 +1765 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: 42893
Researcher: Nitin Venkatesh
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10102 (🔍)
GCVE (CVE): GCVE-0-2018-10102
GCVE (VulDB): GCVE-100-116227

OVAL: 🔍

SecurityFocus: 103775 - WordPress CVE-2018-10102 Cross Site Scripting Vulnerability
SecurityTracker: 1040836

See also: 🔍

Entryinfo

Created: 04/16/2018 16:02
Updated: 02/28/2023 09:13
Changes: 04/16/2018 16:02 (82), 06/07/2020 15:40 (2), 02/10/2021 07:55 (3), 02/28/2023 09:13 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

 liuneng (+0)
8 years ago
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