WP Meta SEO: A security weakness
WP Meta SEO is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- WP Meta SEO
- Plugin slug
wp-meta-seo- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- May 23, 2022
This CVE was published May 23, 2022 and is one of 18 known issues for this plugin.
Update, patch or deactivate.
Update WP Meta SEO to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The WP Meta SEO WordPress plugin before 4.4.7 does not sanitise or escape the breadcrumb separator before outputting it to the page, allowing a high privilege user such as an administrator to inject arbitrary javascript into the page even when unfiltered html is disallowed.
NVD vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N