broken-link-checker Plugin up to 1.11.8 on WordPress GET Parameter Reflected cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in broken-link-checker Plugin up to 1.11.8 on WordPress. It has been classified as problematic. This affects an unknown function. Performing a manipulation as part of GET Parameter results in cross site scripting (Reflected). This vulnerability is reported as CVE-2019-16521. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in broken-link-checker Plugin up to 1.11.8 on WordPress (WordPress Plugin). It has been classified as problematic. This affects an unknown code block. The manipulation as part of a GET Parameter leads to a cross site scripting vulnerability (Reflected). CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

The broken-link-checker plugin through 1.11.8 for WordPress (aka Broken Link Checker) is susceptible to Reflected XSS due to improper encoding and insertion of an HTTP GET parameter into HTML. The filter function on the page listing all detected broken links can be exploited by providing an XSS payload in the s_filter GET parameter in a filter_id=search request. NOTE: this is an end-of-life product.

The weakness was disclosed 10/16/2019 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2019-16521 since 09/19/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Reflected
Class: Cross site scripting / Reflected
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/19/2019 🔍
10/16/2019 +27 days 🔍
10/16/2019 +0 days 🔍
10/16/2019 +0 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined

CVE: CVE-2019-16521 (🔍)
GCVE (CVE): GCVE-0-2019-16521
GCVE (VulDB): GCVE-100-143547

Entryinfo

Created: 10/16/2019 19:47
Updated: 10/16/2019 19:52
Changes: 10/16/2019 19:47 (38), 10/16/2019 19:52 (18)
Complete: 🔍
Cache ID: 216::103

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