CVE-2021-24874
CVE-2021-24874 is a medium-severity vulnerability in Brevo Newsletter, Smtp, Email Marketing And Subscribe with a CVSS 3.x base score of 6.1. 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: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Brevo Newsletter, Smtp, Email Marketing And Subscribe
- Published:
- Last modified:
Description
The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.31 does not escape the lang and pid parameter before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues
Frequently asked questions
- What is CVE-2021-24874?
- The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.31 does not escape the lang and pid parameter before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues
- How severe is CVE-2021-24874?
- CVE-2021-24874 has a CVSS 3.x base score of 6.1, rated medium 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 none.
- Is CVE-2021-24874 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24874?
- CVE-2021-24874 affects Brevo Newsletter, Smtp, Email Marketing And Subscribe. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24874?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-24874 published?
- CVE-2021-24874 was published on 2022-02-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:brevo:newsletter\,_smtp\,_email_marketing_and_subscribe:*:*:*:*:*:wordpress:*:*
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