CVE-2012-0782: Multiple cross-site scripting (XSS) vulnerabilities in wp-admin/setup-config.php in the installation component in WordPress 3.3.1 and earlier allow remote attackers to inject arbitrary web script or H

medium Affects WordPress core. Feed 2026.10.29.1, updated 2026-10-28; published 2012-01-30; advisory modified 2026-06-16.

Multiple cross-site scripting (XSS) vulnerabilities in wp-admin/setup-config.php in the installation component in WordPress 3.3.1 and earlier allow remote attackers to inject arbitrary web script or H

Package: WordPress core WordPress
Affected versions: <=3.3.1 or =0.7 or =0.71 or =0.72 or =0.711 or =1.0 or =1.0.1 or =1.0.2 or =1.2 or =1.2.1 or =1.2.2 or =1.5 or =1.5.1 or =1.5.1.2 or =1.5.1.3 or =1.5.2 or =2.0 or =2.0.1 or =2.0.2 or =2.0.3 or =2.0.4 or =2.0.5 or =2.0.6 or =2.0.7 or =2.0.8 or =2.0.9 or =2.0.10 or =2.0.11 or =2.1 or =2.1.1 or =2.1.2 or =2.1.3 or =2.2 or =2.2.1 or =2.2.2 or =2.2.3 or =2.3 or =2.3.1 or =2.3.2 or =2.3.3 or =2.5 or =2.5.1 or =2.6 or =2.6.1 or =2.6.2 or =2.6.3 or =2.6.5 or =2.7 or =2.7.1 or =2.8 or =2.8.1 or =2.8.2 or =2.8.3 or =2.8.4 or =2.8.5 or =2.8.6 or =2.9 or =2.9.1 or =2.9.2 or =3.0 or =3.0.1 or =3.0.2 or =3.0.3 or =3.0.4 or =3.0.5 or =3.0.6 or =3.1 or =3.1.1 or =3.1.2 or =3.1.3 or =3.1.4 or =3.2.1 or =3.3
Fixed in: no fix recorded
Severity: medium CVSS 4.3
Exploitation: not on CISA KEV · EPSS 4% (89.3th percentile)
Published: 2012-01-30
Source: nvd

References

CWE-79

NVD record WordPress core advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden wordpress /var/www/html

# or, without Composer
pipx install phpwarden   &&   phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs How findings are ranked

Related advisories

CVE-2026-63030 KEV critical WordPress 6.9.x before 6.9.5 and 7.0.x before 7.0.2 is affected by a REST API batch endpoi same package: WordPress core
CVE-2026-60137 KEV medium WordPress 6.8.x before 6.8.6, 6.9.x before 6.9.5, and 7.0.x before 7.0.2 does not properly same package: WordPress core
CVE-2022-21661 high WordPress is a free and open-source content management system written in PHP and paired wi same package: WordPress core
CVE-2019-8943 medium WordPress through 5.0.3 allows Path Traversal in wp_crop_image(). An attacker (who has pri same package: WordPress core
CVE-2017-5487 medium wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php in the REST API implemen same package: WordPress core
CVE-2021-29447 high Wordpress is an open source CMS. A user with the ability to upload files (like an Author) same package: WordPress core