CVE-2020-22251
CVE-2020-22251 is a medium-severity vulnerability in Phplist with a CVSS 3.x base score of 4.8. 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 4.8)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Phplist
- Published:
- Last modified:
Description
Cross Site Scripting (XSS) vulnerability in phpList 3.5.3 via the login name field in Manage Administrators when adding a new admin.
Frequently asked questions
- What is CVE-2020-22251?
- Cross Site Scripting (XSS) vulnerability in phpList 3.5.3 via the login name field in Manage Administrators when adding a new admin.
- How severe is CVE-2020-22251?
- CVE-2020-22251 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-22251 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-22251?
- CVE-2020-22251 affects Phplist. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-22251?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-22251 published?
- CVE-2020-22251 was published on 2021-07-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:phplist:phplist:*:*:*:*:*:*:*:*
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