Vulnerability Details : CVE-2019-16781
In WordPress before 5.3.1, authenticated users with lower privileges (like contributors) can inject JavaScript code in the block editor, which is executed within the dashboard. It can lead to an admin opening the affected post in the editor leading to XSS.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2019-16781
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Threat overview for CVE-2019-16781
Top countries where our scanners detected CVE-2019-16781
Top open port discovered on systems with this issue
80
IPs affected by CVE-2019-16781 3,407
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2019-16781!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2019-16781
3.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 86 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-16781
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST | |
5.8
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N |
1.3
|
4.0
|
GitHub, Inc. |
CWE ids for CVE-2019-16781
-
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.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2019-16781
-
https://www.debian.org/security/2020/dsa-4599
Debian -- Security Information -- DSA-4599-1 wordpressThird Party Advisory
-
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/
News – WordPress 5.3.1 Security and Maintenance Release – WordPress.orgRelease Notes;Third Party Advisory
-
https://seclists.org/bugtraq/2020/Jan/8
Bugtraq: [SECURITY] [DSA 4599-1] wordpress security updateMailing List;Third Party Advisory
-
https://wpvulndb.com/vulnerabilities/9976
WordPress <= 5.3 - Stored XSS via Block Editor ContentThird Party Advisory
-
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9v
Authenticated cross-site scripting (XSS) in WordPress block editor (within dashboard) · Advisory · WordPress/wordpress-develop · GitHubThird Party Advisory
-
https://hackerone.com/reports/731301
Sign inPermissions Required;Third Party Advisory
-
https://www.debian.org/security/2020/dsa-4677
Debian -- Security Information -- DSA-4677-1 wordpressThird Party Advisory
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