CVE-2020-36399
A stored cross site scripting (XSS) vulnerability in phplist 3.5.4 and below allows attackers to...
A stored cross site scripting (XSS) vulnerability in phplist 3.5.4 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the "rule1" parameter under the "Bounce Rules" module.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A stored cross site scripting (XSS) vulnerability in phplist 3.5.4 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the "rule1" parameter under the "Bounce Rules" module.
- Record
CVE-2020-36399- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/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
A stored cross site scripting (XSS) vulnerability in phplist 3.5.4 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the "rule1" parameter under the "Bounce Rules" module.
- Record
CVE-2020-36399- Updated
- 2026-11-02
EUVDEUVD-2020-23927 No score
A stored cross site scripting (XSS) vulnerability in phplist 3.5.4 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the "rule1" parameter under the "Bounce Rules" module.
- Record
EUVD-2020-23927- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-925w-g298-9j86 No score
A stored cross site scripting (XSS) vulnerability in phplist 3.5.4 and below allows attackers to...
A stored cross site scripting (XSS) vulnerability in phplist 3.5.4 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the "rule1" parameter under the "Bounce Rules" module.
- Record
GHSA-925w-g298-9j86- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
A stored cross site scripting (XSS) vulnerability in phplist 3.5.4 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the "rule1" parameter under the "Bounce Rules" module.
- Record
CVE-2020-36399- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBIT-phplist-2020-36399 No score
A stored cross site scripting (XSS) vulnerability in phplist 3.5.4 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the "rule1" parameter under the "Bounce Rules" module.
- Record
BIT-phplist-2020-36399- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
phplistBitnami |
before 3.5.4 | 3.5.4 |
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-2020-36399 is a medium vulnerability (CVSS 5.4) in Phplist, published July 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 43rd percentile. Fixed in phplist 3.5.4.