XPath Injection in Withastro Astro
CVE-2026-59728
Astro is a web framework for content-driven websites. In versions 1.0.0 through 4.0.18, the source.title and enclosure.type item fields in packages/astro-rss/src/index.ts are interpolated directly into XML template strings without XML-char…
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Withastro Astro — versions >= 1.0.0, < 4.0.19
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-59728?
- CVE-2026-59728 is a medium-severity vulnerability in Withastro Astro, classified under XML Injection (Blind XPath Injection). CVSS score: 4.3/10. Published 2026-07-27.
- How severe is CVE-2026-59728?
- Medium severity. CVSS v3 base score is 4.3 out of 10.