CVE-2019-16520

Public Exploit

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.14% Top 25%
Vendor Advisory semperplugins.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://wordpress.org/plugins/all-in-one-seo-pack/#developers product third party advisory
https://semperplugins.com/all-in-one-seo-pack-changelog/ release notes vendor advisory
https://github.com/semperfiwebdesign/all-in-one-seo-pack/issues/2888 third party advisory patch
https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-04_WordPress_Plugin_All_in_One_SEO_Pack third party advisory exploit
http://www.openwall.com/lists/oss-security/2019/10/16/5 mailing list third party advisory exploit
https://wpvulndb.com/vulnerabilities/9915 third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-16520?
CVE-2019-16520 has been scored as a medium severity vulnerability.
How to fix CVE-2019-16520?
To fix CVE-2019-16520, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-16520 being actively exploited in the wild?
It is possible that CVE-2019-16520 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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