How severe is CVE-2023-0109?

CVE-2023-0109 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-0109 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0109?

CVE-2023-0109 affects Usememos Memos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0109?

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

Does CVE-2023-0109 have an EU (EUVD) identifier?

Yes. CVE-2023-0109 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3199.

When was CVE-2023-0109 published?

CVE-2023-0109 was published on 2024-11-15 and last updated on 2026-06-17.

CVE-2023-0109

CVE-2023-0109 is a medium-severity vulnerability in Usememos Memos with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-3199
Weakness: CWE-79
Affected product: Usememos Memos
Published: 2024-11-15
Last modified: 2026-06-17

Description

A stored cross-site scripting (XSS) vulnerability was discovered in usememos/memos version 0.9.1. This vulnerability allows an attacker to upload a JavaScript file containing a malicious script and reference it in an HTML file. When the HTML file is accessed, the malicious script is executed. This can lead to the theft of sensitive information, such as login credentials, from users visiting the affected website. The issue has been fixed in version 0.10.0.

Frequently asked questions

What is CVE-2023-0109?: A stored cross-site scripting (XSS) vulnerability was discovered in usememos/memos version 0.9.1. This vulnerability allows an attacker to upload a JavaScript file containing a malicious script and reference it in an HTML file. When the HTML file is accessed, the malicious script is executed. This can lead to the theft of sensitive information, such as login credentials, from users visiting the affected website. The issue has been fixed in version 0.10.0.
How severe is CVE-2023-0109?: CVE-2023-0109 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-0109 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0109?: CVE-2023-0109 affects Usememos Memos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0109?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-0109 have an EU (EUVD) identifier?: Yes. CVE-2023-0109 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3199.
When was CVE-2023-0109 published?: CVE-2023-0109 was published on 2024-11-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:usememos:memos:0.9.1:*:*:*:*:*:*:*

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.

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