XSS in Karakeep-app Karakeep
CVE-2026-27627
Karakeep is a elf-hostable bookmark-everything app. In version 0.30.0, when the Reddit metascraper plugin returns `readableContentHtml`, the HTML parsing subprocess uses it directly without running it through DOMPurify. Every other content…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (24.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.
Affected products
- Karakeep-app Karakeep — versions = 0.30.0
- Localhostlabs Karakeep — versions 0.30.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-27627?
- CVE-2026-27627 is a high-severity vulnerability in Karakeep-app Karakeep, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2026-02-25.
- How severe is CVE-2026-27627?
- High severity. CVSS v3 base score is 8.2 out of 10.