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CVE-2025-55303: Improper Neutralization of Input During Web Page Generation

🗓️ 19 Aug 2025 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 7 Views

Astro before 5.13.2 and 4.16.18 allows unauthorized third-party images via protocol-relative URLs.

Related
Refs
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Family
circl
Circl
CVE-2025-55303
20 Jan 202609:24
–circl
cnnvd
CNNVD
Astro security vulnerabilities
19 Aug 202500:00
–cnnvd
cve
CVE
CVE-2025-55303
19 Aug 202518:08
–cve
cvelist
Cvelist
CVE-2025-55303 Unauthorized third-party images in Astro’s _image endpoint
19 Aug 202518:08
–cvelist
euvd
EUVD
EUVD-2025-25235
3 Oct 202520:07
–euvd
github
Github Security Blog
Astro allows unauthorized third-party images in _image endpoint
19 Aug 202515:40
–github
mend
Mend
CVE-2025-55303
19 Aug 202518:08
–mend
nuclei
Nuclei
Astro - Unauthorized Third-Party Image Access
24 Oct 202602:05
–nuclei
nvd
NVD
CVE-2025-55303
19 Aug 202519:15
–nvd
osv_clsa
osv_clsa
CLSA-2026-1777855417 TuxCare security update for 5 packages (10 CVEs)
4 Aug 202614:52
–osv_clsa
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25 Nov 2025 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.1
CVSS 46.9
EPSS0.00637
SSVC
7