CVE-2021-47958

4.3 MEDIUM

CouchCMS 2.2.1 contains a server-side request forgery vulnerability that allows authenticated attackers to make arbitrary HTTP requests b...

Published: 2026-05-15 · Last updated: 2026-05-18

Severity and scoring

CVSS: 4.3 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE: CWE-918

Description

CouchCMS 2.2.1 contains a server-side request forgery vulnerability that allows authenticated attackers to make arbitrary HTTP requests by uploading malicious SVG files. Attackers can upload SVG files containing external entity references through the browse.php endpoint to access internal services and resources.

Source: NVD

References

Related CVEs

Same CWE

CVE-2026-53859 — OpenClaw before 2026.5.26 contains a hostname validation vulnerability allowing attackers to bypass blocklist comparisons using trailing-... (6.5 MEDIUM)
CVE-2026-47684 — Sync-in Server is a secure, open-source platform for file storage, sharing, collaboration, and syncing (7.7 HIGH)
CVE-2025-60175 — Administrator Server Side Request Forgery (SSRF) in PopAd <= 1.0.4 versions (4.4 MEDIUM)
CVE-2026-50888 — An authenticated Server-Side Request Forgery (SSRF) in the custom scraper subsystem component of Benjamin Jonard Koillection v1.8.0 allow... (8.1 HIGH)
CVE-2026-50887 — A Server-Side Request Forgery (SSRF) in the automatic short URL title resolution component of shlink v5.0.1 allows attackers to scan inte... (9.1 CRITICAL)