How severe is CVE-2022-4863?

CVE-2022-4863 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-4863 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4863?

CVE-2022-4863 affects Usememos Memos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4863?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-4863 published?

CVE-2022-4863 was published on 2022-12-30 and last updated on 2026-06-17.

CVE-2022-4863

CVE-2022-4863 is a medium-severity vulnerability in Usememos Memos with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-280.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-280
Affected product: Usememos Memos
Published: 2022-12-30
Last modified: 2026-06-17

Description

Improper Handling of Insufficient Permissions or Privileges in GitHub repository usememos/memos prior to 0.9.1.

Frequently asked questions

What is CVE-2022-4863?: Improper Handling of Insufficient Permissions or Privileges in GitHub repository usememos/memos prior to 0.9.1.
How severe is CVE-2022-4863?: CVE-2022-4863 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-4863 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4863?: CVE-2022-4863 affects Usememos Memos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4863?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4863 published?: CVE-2022-4863 was published on 2022-12-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:*

More vulnerabilities in Usememos Memos

CVE-2025-50738 — Critical (CVSS 9.8): The Memos application, up to version v0.24.3, allows for the embedding of markdown images with arbitrary URLs. When a…
CVE-2025-22952 — Critical (CVSS 9.8): elestio memos v0.23.0 is vulnerable to Server-Side Request Forgery (SSRF) due to insufficient validation of…
CVE-2023-4696 — Critical (CVSS 9.8): Improper Access Control in GitHub repository usememos/memos prior to 0.13.2.
CVE-2022-4686 — Critical (CVSS 9.8): Authorization Bypass Through User-Controlled Key in GitHub repository usememos/memos prior to 0.9.0.
CVE-2022-4866 — Critical (CVSS 9.0): Cross-site Scripting (XSS) - Stored in GitHub repository usememos/memos prior to 0.9.1.
CVE-2022-4865 — Critical (CVSS 9.0): Cross-site Scripting (XSS) - Stored in GitHub repository usememos/memos prior to 0.9.1.

All CVEs affecting Usememos Memos →

Other CWE-280 vulnerabilities

CVE-2025-46066 — Critical (CVSS 9.9): An issue in Automai Director v.25.2.0 allows a remote attacker to escalate privileges
CVE-2025-6573 — Critical (CVSS 9.8): Kernel software installed and running inside an untrusted/rich execution environment (REE) could leak information from…
CVE-2024-24116 — Critical (CVSS 9.8): An issue in Ruijie RG-NBS2009G-P RGOS v.10.4(1)P2 Release(9736) allows a remote attacker to gain privileges via the…
CVE-2026-41566 — Critical (CVSS 9.4): Improper Handling of Insufficient Permissions or Privileges vulnerability in Apache Kvrocks. This issue affects Apache…
CVE-2024-1608 — Critical (CVSS 9.1): In OPPO Usercenter Credit SDK, there's a possible escalation of privilege due to loose permission check, This could…
CVE-2026-24096 — High (CVSS 8.8): Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version…

Browse all CWE-280 vulnerabilities →