CVE-2019-20042

In wp-includes/formatting.php in WordPress 3.7 to 5.3.0, the function wp_targeted_link_rel() can be used in a particular way to result in a stored cross-site scripting (XSS) vulnerability. This has been patched in WordPress 5.3.1, along with all the previous WordPress versions from 3.7 to 5.3 via a minor release.

CVSS v3.0 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://blog.ripstech.com/filter/vulnerabilities/	Not Applicable
https://core.trac.wordpress.org/changeset/46894/trunk	Patch
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/	Release Notes Vendor Advisory
https://github.com/WordPress/wordpress-develop/commit/1f7f3f1f59567e2504f0fbebd51ccf004b3ccb1d	Patch
https://wpvulndb.com/vulnerabilities/9975	Release Notes Third Party Advisory
https://www.debian.org/security/2020/dsa-4599
https://seclists.org/bugtraq/2020/Jan/8
https://hackerone.com/reports/509930
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-xvg2-m2f4-83m7
https://www.debian.org/security/2020/dsa-4677

Configurations

Configuration 1 (hide)

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*

Information

Published : 2019-12-27 08:15

Updated : 2020-01-10 22:15

NVD link : CVE-2019-20042

Mitre link : CVE-2019-20042

JSON object : View

Products Affected

wordpress

wordpress

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://blog.ripstech.com/filter/vulnerabilities/", "name": "https://blog.ripstech.com/filter/vulnerabilities/", "tags": ["Not Applicable"], "refsource": "MISC"}, {"url": "https://core.trac.wordpress.org/changeset/46894/trunk", "name": "https://core.trac.wordpress.org/changeset/46894/trunk", "tags": ["Patch"], "refsource": "MISC"}, {"url": "https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/", "name": "https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/WordPress/wordpress-develop/commit/1f7f3f1f59567e2504f0fbebd51ccf004b3ccb1d", "name": "https://github.com/WordPress/wordpress-develop/commit/1f7f3f1f59567e2504f0fbebd51ccf004b3ccb1d", "tags": ["Patch"], "refsource": "MISC"}, {"url": "https://wpvulndb.com/vulnerabilities/9975", "name": "https://wpvulndb.com/vulnerabilities/9975", "tags": ["Release Notes", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.debian.org/security/2020/dsa-4599", "name": "DSA-4599", "tags": [], "refsource": "DEBIAN"}, {"url": "https://seclists.org/bugtraq/2020/Jan/8", "name": "20200108 [SECURITY] [DSA 4599-1] wordpress security update", "tags": [], "refsource": "BUGTRAQ"}, {"url": "https://hackerone.com/reports/509930", "name": "https://hackerone.com/reports/509930", "tags": [], "refsource": "MISC"}, {"url": "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-xvg2-m2f4-83m7", "name": "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-xvg2-m2f4-83m7", "tags": [], "refsource": "CONFIRM"}, {"url": "https://www.debian.org/security/2020/dsa-4677", "name": "DSA-4677", "tags": [], "refsource": "DEBIAN"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In wp-includes/formatting.php in WordPress 3.7 to 5.3.0, the function wp_targeted_link_rel() can be used in a particular way to result in a stored cross-site scripting (XSS) vulnerability. This has been patched in WordPress 5.3.1, along with all the previous WordPress versions from 3.7 to 5.3 via a minor release."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-79"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-20042", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}}, "publishedDate": "2019-12-27T08:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.3.1"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-01-10T22:15Z"}