CVE-2024-43287: Cross-Site Request Forgery (CSRF) vulnerability in Brevo Newsletter, SMTP, Email marketing and Subscribe forms

Q: How do I fix CVE-2024-43287?

newsletter\, smtp\, email marketing and subscribe: upgrade to 3.1.83. Exact commands for each OS are on this page.

Q: Is CVE-2024-43287 being exploited?

CVE-2024-43287 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-43287 affect?

CVE-2024-43287 affects newsletter\, smtp\, email marketing and subscribe. Severity is medium (CVSS 4.3). Cross-Site Request Forgery (CSRF) vulnerability in Brevo Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue.This issue affects Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue: from n/a through 3.1.82.

Q: How urgent is CVE-2024-43287?

Priority 18/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2024-43287 is a medium-severity flaw (CVSS 4.3) affecting newsletter\, smtp\, email marketing and subscribe. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-Site Request Forgery (CSRF) vulnerability in Brevo Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue.This issue affects Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue: from n/a through 3.1.82.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-352
Published	2024-08-26
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: sendinblue

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-08-26 21:15 UTCPublished CVE record published
2026-06-17 07:50 UTCUpdated Record last modified

sendinblue newsletter\, smtp\, email marketing and subscribe UPGRADE

Affected: < 3.1.83

Fixed in: 3.1.83

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy newsletter-smtp-email-marketing-and-subscribe || rpm -q newsletter-smtp-email-marketing-and-subscribe || newsletter-smtp-email-marketing-and-subscribe --version

2. UPGRADE to 3.1.83 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade newsletter-smtp-email-marketing-and-subscribe

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade newsletter-smtp-email-marketing-and-subscribe

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-43287?

newsletter\, smtp\, email marketing and subscribe: upgrade to 3.1.83. Exact commands for each OS are on this page.

Is CVE-2024-43287 being exploited?

CVE-2024-43287 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-43287 affect?

CVE-2024-43287 affects newsletter\, smtp\, email marketing and subscribe. Severity is medium (CVSS 4.3). Cross-Site Request Forgery (CSRF) vulnerability in Brevo Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue.This issue affects Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue: from n/a through 3.1.82.

How urgent is CVE-2024-43287?

Priority 18/100. No elevated risk signals yet.

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CVE-2023-2472 MEDIUM 6.1 UPGRADE The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.61 does no

References

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