CVE-2022-4851
Improper Handling of Values in usememos/memos
Improper Handling of Values in GitHub repository usememos/memos prior to 0.9.1.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper Handling of Values in usememos/memos
Improper Handling of Values in GitHub repository usememos/memos prior to 0.9.1.
- Record
CVE-2022-4851- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-229
- Updated
- 2026-11-02
EUVDEUVD-2022-7494
Improper Handling of Values in GitHub repository usememos/memos prior to 0.9.1.
- Record
EUVD-2022-7494- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-42q2-m54f-jh95
sememos/memos vulnerable to Improper Handling of Values
In usememos/memos 0.9.0 and prior, an attacker can post malicious content to another user's memos page via POST request.
- Record
GHSA-42q2-m54f-jh95- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-229
- Updated
- 2026-11-02
NVD
Improper Handling of Values in GitHub repository usememos/memos prior to 0.9.1.
- Record
CVE-2022-4851- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-229
- Updated
- 2026-11-02
OSV
Improper Handling of Values in usememos/memos
Improper Handling of Values in GitHub repository usememos/memos prior to 0.9.1.
- Record
CVE-2022-4851- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-229
- Updated
- 2026-11-02
OSVGHSA-42q2-m54f-jh95
sememos/memos vulnerable to Improper Handling of Values
In usememos/memos 0.9.0 and prior, an attacker can post malicious content to another user's memos page via POST request.
- Record
GHSA-42q2-m54f-jh95- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-229
- Updated
- 2026-11-02
OSVGO-2023-1285 No score
sememos/memos vulnerable to Improper Handling of Values in github.com/usememos/memos
sememos/memos vulnerable to Improper Handling of Values in github.com/usememos/memos
- Record
GO-2023-1285- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/usememos/memosGo |
through 0.9.0 | 0.9.1 |
github.com/usememos/memosGo |
before 0.9.1 | 0.9.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-4851 is a critical vulnerability (CVSS 9.8) in Usememos Memos, published December 29, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. Fixed in github.com/usememos/memos 0.9.1.
References
github.com/usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53
huntr.dev/bounties/e3cebc1a-1326-4a08-abad-0414a717fa0f
nvd.nist.gov/vuln/detail/CVE-2022-4851