CVE-2022-0432
Prototype Pollution in mastodon/mastodon
Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.
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
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Prototype Pollution in mastodon/mastodon
Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.
- Record
CVE-2022-0432- CVSS 3.0
- 7.4 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N - Weakness
- CWE-1321
- Updated
- 2026-11-02
EUVDEUVD-2022-15573
Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.
- Record
EUVD-2022-15573- CVSS 3.0
- 7.4 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fqq9-f3pw-4cff No score
Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.
Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.
- Record
GHSA-fqq9-f3pw-4cff- Weakness
- CWE-1321
- Updated
- 2026-11-02
NVD
Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.
- Record
CVE-2022-0432- 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 3.0
- 7.4 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSV
Prototype Pollution in mastodon/mastodon
Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.
- Record
CVE-2022-0432- CVSS 3.0
- 7.4 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVBIT-mastodon-2022-0432 No score
Prototype Pollution in mastodon/mastodon
Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.
- Record
BIT-mastodon-2022-0432- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mastodonBitnami |
before 3.5.0 | 3.5.0 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Mastodon Prototype Pollution Vulnerability |
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-2022-0432 is a high vulnerability (CVSS 7.4) in Joinmastodon Mastodon, published February 2, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.43%, the 91st percentile. Fixed in mastodon 3.5.0.