CVE-2020-27666
Cross-site Scripting in Strapi
CVE-2020-27666 is a medium vulnerability (CVSS 5.4) in Strapi, published October 22, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 53rd percentile. Fixed in strapi-plugin-content-manager 3.2.5.
Strapi before 3.2.5 has stored XSS in the wysiwyg editor's preview feature.
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
Strapi before 3.2.5 has stored XSS in the wysiwyg editor's preview feature.
- Record
CVE-2020-27666- 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
Strapi before 3.2.5 has stored XSS in the wysiwyg editor's preview feature.
- Record
CVE-2020-27666- Updated
- 2026-11-02
EUVDEUVD-2020-1436 No score
Strapi before 3.2.5 has stored XSS in the wysiwyg editor's preview feature.
- Record
EUVD-2020-1436- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qvp5-mm7v-4f36
Cross-site Scripting in Strapi
Strapi before 3.2.5 has stored XSS in the wysiwyg editor's preview feature.
- Record
GHSA-qvp5-mm7v-4f36- 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 - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Strapi before 3.2.5 has stored XSS in the wysiwyg editor's preview feature.
- Record
CVE-2020-27666- 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
OSVGHSA-qvp5-mm7v-4f36
Cross-site Scripting in Strapi
Strapi before 3.2.5 has stored XSS in the wysiwyg editor's preview feature.
- Record
GHSA-qvp5-mm7v-4f36- 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 - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
strapi-plugin-content-managernpm |
before 3.2.5 | 3.2.5 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |