CVE-2026-30586 Details
Description
Cross Site Scripting vulnerability in usememos Memos v.0.26.0 allows a remote attacker to obtain sensitive information via the SANITIZE_SCHEMA, Memo Rendering Component, and Public/Private Memo View pages
A cross-site scripting (XSS) vulnerability has been identified in usememos Memos version 0.26.0. This issue allows remote attackers to inject malicious scripts that could be executed in the context of the user's browser. The vulnerability arises from the application's Markdown rendering component, which improperly sanitizes user-generated content. Specifically, the 'SANITIZE_SCHEMA' configuration permits harmful 'style' attributes on 'span' elements and unsandboxed 'iframe' embeds. As a result, an authenticated user could craft a memo that, when viewed by others, overlays the entire application interface with attacker-controlled content, potentially leading to credential theft by spoofing login prompts.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 2, 2026CISA-ADP
Assessed Jun 3, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/gabdevele/1dd393955d3ca7d937776fdca9412f0c | CISA-ADP | ExploitTechnical Description |
| https://gist.github.com/gabdevele/1dd393955d3ca7d937776fdca9412f0c | [email protected] | ExploitTechnical Description |
| https://github.com/usememos/memos/blob/e1c8101d29ccf382c07673934e1d9a311480c25a/web/src/components/MemoContent/constants.ts#L30 | [email protected] |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| usememos Memos | <= 0.26.0 (semver) |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 3, 2026 | CVE Modified | CISA-ADP |
| Jun 2, 2026 | New CVE Received | [email protected] |
Volerion