CVE-2021-3188
CVE-2021-3188 is a critical-severity vulnerability in Phplist with a CVSS 3.x base score of 9.8. 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-1236.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1236
- Affected product: Phplist
- Published:
- Last modified:
Description
phpList 3.6.0 allows CSV injection, related to the email parameter, and /lists/admin/ exports.
Frequently asked questions
- What is CVE-2021-3188?
- phpList 3.6.0 allows CSV injection, related to the email parameter, and /lists/admin/ exports.
- How severe is CVE-2021-3188?
- CVE-2021-3188 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-3188 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-3188?
- CVE-2021-3188 affects Phplist. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-3188?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-3188 published?
- CVE-2021-3188 was published on 2021-01-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:phplist:phplist:3.6.0:*:*:*:*:*:*:*
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