CVE-2021-41733
Oppia 3.1.4 does not verify that certain URLs are valid before navigating to them.
Oppia 3.1.4 does not verify that certain URLs are valid before navigating to them.
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
Oppia 3.1.4 does not verify that certain URLs are valid before navigating to them.
- Record
CVE-2021-41733- 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
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
CVE List No score
Oppia 3.1.4 does not verify that certain URLs are valid before navigating to them.
- Record
CVE-2021-41733- Updated
- 2026-11-02
EUVDEUVD-2021-28745 No score
Oppia 3.1.4 does not verify that certain URLs are valid before navigating to them.
- Record
EUVD-2021-28745- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rxgx-ggx4-6jr5 No score
Oppia 3.1.4 does not verify that certain URLs are valid before navigating to them.
Oppia 3.1.4 does not verify that certain URLs are valid before navigating to them.
- Record
GHSA-rxgx-ggx4-6jr5- Weakness
- CWE-601
- Updated
- 2026-11-02
OSV
Oppia 3.1.4 does not verify that certain URLs are valid before navigating to them.
- Record
CVE-2021-41733- 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
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-2021-41733 is a medium vulnerability (CVSS 6.1) in Oppia, published November 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.74%, the 54th percentile. No source names a fixed version.