WordPress security changelog
MEDIUM CVE-2021-24923 Modified

Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue: Cross-site scripting

Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 6.1 CVSS · contact@wpscan.com
NVD score 6.1 CVSS 3.1 · nvd@nist.gov
Component
Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue
Plugin slug
newsletter,-smtp,-email-marketing-and-subscribe
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jan 24, 2022
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Jan 24, 2022 and is one of 4 known issues for this plugin.

Update, patch or deactivate.

Update Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue 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 Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.25 does not escape the sib-statistics-date parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue

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

Primary and upstream sources