CVE-2019-16520 Information

Description

The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored XSS due to improper encoding of the SEO-specific description for posts provided by the plugin via unsafe placeholder replacement.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Reference

http://www.openwall.com/lists/oss-security/2019/10/16/5 https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-04_WordPress_Plugin_All_in_One_SEO_Pack https://github.com/semperfiwebdesign/all-in-one-seo-pack/issues/2888 https://semperplugins.com/all-in-one-seo-pack-changelog/ https://wordpress.org/plugins/all-in-one-seo-pack/developers https://wpvulndb.com/vulnerabilities/9915

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4