CVE-2019-16520

MediumCVSS 5.4/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.openwall.com/lists/oss-security/2019/10/16/5Exploit, Mailing List, Third Party Advisory
https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-04_WordPress_Plugin_All_in_One_SEO_PackExploit, Third Party Advisory
https://github.com/semperfiwebdesign/all-in-one-seo-pack/issues/2888Patch, Third Party Advisory
https://semperplugins.com/all-in-one-seo-pack-changelog/Release Notes, Vendor Advisory
https://wordpress.org/plugins/all-in-one-seo-pack/#developersProduct, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9915Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/10/16/5Exploit, Mailing List, Third Party Advisory
https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-04_WordPress_Plugin_All_in_One_SEO_PackExploit, Third Party Advisory
https://github.com/semperfiwebdesign/all-in-one-seo-pack/issues/2888Patch, Third Party Advisory
https://semperplugins.com/all-in-one-seo-pack-changelog/Release Notes, Vendor Advisory
https://wordpress.org/plugins/all-in-one-seo-pack/#developersProduct, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9915Third Party Advisory

Timeline

Published: Oct 16, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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