CVE-2020-22251
Cross Site Scripting (XSS) vulnerability in phpList 3.5.3 via the login name field in Manage...
Cross Site Scripting (XSS) vulnerability in phpList 3.5.3 via the login name field in Manage Administrators when adding a new admin.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Cross Site Scripting (XSS) vulnerability in phpList 3.5.3 via the login name field in Manage Administrators when adding a new admin.
- Record
CVE-2020-22251- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Cross Site Scripting (XSS) vulnerability in phpList 3.5.3 via the login name field in Manage Administrators when adding a new admin.
- Record
CVE-2020-22251- Updated
- 2026-11-02
EUVDEUVD-2020-15016 No score
Cross Site Scripting (XSS) vulnerability in phpList 3.5.3 via the login name field in Manage Administrators when adding a new admin.
- Record
EUVD-2020-15016- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h482-hqx2-rh53 No score
Cross Site Scripting (XSS) vulnerability in phpList 3.5.3 via the login name field in Manage...
Cross Site Scripting (XSS) vulnerability in phpList 3.5.3 via the login name field in Manage Administrators when adding a new admin.
- Record
GHSA-h482-hqx2-rh53- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Cross Site Scripting (XSS) vulnerability in phpList 3.5.3 via the login name field in Manage Administrators when adding a new admin.
- Record
CVE-2020-22251- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBIT-phplist-2020-22251 No score
Cross Site Scripting (XSS) vulnerability in phpList 3.5.3 via the login name field in Manage Administrators when adding a new admin.
- Record
BIT-phplist-2020-22251- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
phplistBitnami |
before 3.5.3 | 3.5.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-22251 is a medium vulnerability (CVSS 4.8) in Phplist, published July 6, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 50th percentile. Fixed in phplist 3.5.3.