CVE-2019-16781

Stored cross-site scripting (XSS) in WordPress block editor

En bref

Sévérité: MEDIUM 5.8
EPSS: EPSS 1.61 % · centile 76 (2026-10-27)
État: PUBLISHED
Publiée: 2019-12-26
Mise à jour: 2024-08-05
Attribuée par: GitHub_M
Statut NVD: Modified

Description

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.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	MEDIUM 5.8	CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N	GitHub_M
CVSS 3.1	MEDIUM 5.8	CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N	NVD · security-advisories@github.com (Secondary)
CVSS 3.1	MEDIUM 5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	NVD · nvd@nist.gov (Primary)
CVSS 2.0	LOW 3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N	NVD · nvd@nist.gov (Primary)

Faiblesses (CWE)

CWE-79

Références européennes

ENISA EUVD · EUVD-2019-7299
GCVE · GCVE-0-2019-16781

Configurations affectées (CPE NVD)

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* < 5.3.1
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Produits affectés

Produit	Versions
WordPress · WordPress	affected < 5.3.1 < 5.3.1

Références

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD