Detections
Analytics

CVE-2019-16520

medium

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.

References

https://wpvulndb.com/vulnerabilities/9915

https://wordpress.org/plugins/all-in-one-seo-pack/#developers

https://github.com/semperfiwebdesign/all-in-one-seo-pack/issues/2888

https://semperplugins.com/all-in-one-seo-pack-changelog/

https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-04_WordPress_Plugin_All_in_One_SEO_Pack

http://www.openwall.com/lists/oss-security/2019/10/16/5

Details

Source: Mitre, NVD

Published: 2019-10-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 3.5

Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 5.4

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

Severity: Medium

EPSS

EPSS: 0.01849