How severe is CVE-2024-35668?

CVE-2024-35668 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-35668 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-35668?

CVE-2024-35668 affects Brevo Newsletter, Smtp, Email Marketing And Subscribe. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-35668?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-35668 have an EU (EUVD) identifier?

Yes. CVE-2024-35668 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35427.

When was CVE-2024-35668 published?

CVE-2024-35668 was published on 2024-06-04 and last updated on 2026-06-17.

CVE-2024-35668

CVE-2024-35668 is a high-severity vulnerability in Brevo Newsletter, Smtp, Email Marketing And Subscribe with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-35427
Weakness: CWE-79
Affected product: Brevo Newsletter, Smtp, Email Marketing And Subscribe
Published: 2024-06-04
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Brevo Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue allows Reflected XSS.This issue affects Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue: from n/a through 3.1.77.

Frequently asked questions

What is CVE-2024-35668?: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Brevo Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue allows Reflected XSS.This issue affects Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue: from n/a through 3.1.77.
How severe is CVE-2024-35668?: CVE-2024-35668 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-35668 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-35668?: CVE-2024-35668 affects Brevo Newsletter, Smtp, Email Marketing And Subscribe. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-35668?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-35668 have an EU (EUVD) identifier?: Yes. CVE-2024-35668 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35427.
When was CVE-2024-35668 published?: CVE-2024-35668 was published on 2024-06-04 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/mailin/wordpress-newsletter-smtp-email-marketing-and-subscribe-forms-by-brevo-plugin-3-1-77-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:brevo:newsletter\,_smtp\,_email_marketing_and_subscribe:*:*:*:*:*:wordpress:*:*

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