CVE-2020-13258
Cross-site scripting in Contentful
Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
6.1
Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.
- Record
CVE-2020-13258- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.
- Record
CVE-2020-13258- Updated
- 2026-11-02
EUVDEUVD-2021-1319 No score
Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.
- Record
EUVD-2021-1319- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g5j6-r3x9-gf2m
6.1
Cross-site scripting in Contentful
Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.
- Record
GHSA-g5j6-r3x9-gf2m- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-g5j6-r3x9-gf2m
6.1
Cross-site scripting in Contentful
Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.
- Record
GHSA-g5j6-r3x9-gf2m- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVPYSEC-2026-626
6.1
Cross-site scripting in Contentful
Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.
- Record
PYSEC-2026-626- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
contentfulPyPI |
before 1.12.4 | 1.12.4 |
contentfulPyPI |
before 1.12.4, plus listed versions 1.0.01.0.11.0.21.0.31.1.0 Show 22 moreShow less1.1.11.10.11.10.21.11.11.11.21.11.31.11.41.12.01.12.11.12.21.12.31.2.01.3.01.4.11.4.21.4.31.5.01.6.01.7.01.8.01.9.01.9.1 |
1.12.4 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Contentful <=2020-05-21 - Cross-Site Scripting |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-13258 is a medium vulnerability (CVSS 6.1) in Contentful Python Example, published May 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.06%, the 81st percentile. Fixed in contentful 1.12.4.