CVE-2020-28487
Cross-site Scripting (XSS)
This affects the package vis-timeline before 7.4.4. An attacker with the ability to control the items of a Timeline element can inject additional script code into the generated application.
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
- High
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Cross-site Scripting (XSS)
This affects the package vis-timeline before 7.4.4. An attacker with the ability to control the items of a Timeline element can inject additional script code into the generated application.
- Record
CVE-2020-28487- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L/E:P/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-0806
This affects the package vis-timeline before 7.4.4. An attacker with the ability to control the items of a Timeline element can inject additional script code into the generated application.
- Record
EUVD-2021-0806- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L/E:P/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9mrv-456v-pf22
Cross-site Scripting in vis-timeline
This affects the package vis-timeline before 7.4.4. An attacker with the ability to control the items of a Timeline element can inject additional script code into the generated application.
- Record
GHSA-9mrv-456v-pf22- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
This affects the package vis-timeline before 7.4.4. An attacker with the ability to control the items of a Timeline element can inject additional script code into the generated application.
- Record
CVE-2020-28487- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L - CVSS 2.0
- 6.0 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:P - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
This affects the package vis-timeline before 7.4.4. An attacker with the ability to control the items of a Timeline element can inject additional script code into the generated application.
- Record
CVE-2020-28487- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L - Updated
- 2026-11-02
OSVGHSA-9mrv-456v-pf22
Cross-site Scripting in vis-timeline
This affects the package vis-timeline before 7.4.4. An attacker with the ability to control the items of a Timeline element can inject additional script code into the generated application.
- Record
GHSA-9mrv-456v-pf22- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
vis-timelinenpm |
before 7.4.4 | 7.4.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-28487 is a medium vulnerability (CVSS 6.8) in Visjs Vis-timeline, published January 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.46%, the 73rd percentile. Fixed in vis-timeline 7.4.4.
References
snyk.io/vuln/SNYK-JS-VISTIMELINE-1063500
github.com/visjs/vis-timeline/issues/838
nvd.nist.gov/vuln/detail/CVE-2020-28487