MEDIUM
A stored cross site scripting (XSS) vulnerability in phplist 3.5.3 allows attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the "Add a list" field under the "Import Emails" module
Published Jul 1, 2021
5.4
MEDIUMCVSS 3.1
EPSS 0.56%
Description
A stored cross site scripting (XSS) vulnerability in phplist 3.5.3 allows attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the "Add a list" field under the "Import Emails" module.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
5.4 MEDIUM NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
No CVSS v3.0 score for this CVE.
3.5 LOW NVD
AV:N/AC:M/Au:S/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.56% 0.00558
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.00558
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.56% (0.00558) | 44.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.56% (0.00558) | 41.88th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.26% (0.00261) | 47.51th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00053) | 23.32th | v3 (v2023.03.01) |
| Jun 11, 2024 | 0.05% (0.00053) | 21.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00053) | 19.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Mar 31, 2022 | 2.56% (0.02561) | 62.63th | v2 (v2022.01.01) |
| Jan 6, 2022 | 2.91% (0.02909) | 64.55th | v1 |
| Jan 5, 2022 | 0.66% (0.00663) | 48.81th | v5 (v2026.06.15) |
| Jul 2, 2021 | 0.66% (0.00663) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://github.com/phpList/phplist3/issues/672 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://www.phplist.org/newslist/phplist-3-5-4-release-notes/ x_refsource_MISCRelease NotesThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/phpList/phplist3/issues/672 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://www.phplist.org/newslist/phplist-3-5-4-release-notes/ | x_refsource_MISCRelease NotesThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 1, 2021
Updated Aug 4, 2024
Reserved Aug 13, 2020
Link CVE-2020-23217
CISA Vulnrichment
Updated n/a