CVE-2023-53890

Perch CMS 3.2 Stored Cross-Site Scripting via SVG File Upload

Perch CMS 3.2 contains a stored cross-site scripting vulnerability that allows authenticated users to upload malicious SVG files with embedded JavaScript. Attackers can craft SVG files with script tags that execute when the file is viewed, potentially stealing user session information or performing client-side attacks.

Affected

Perch

CVSS v4.0 VULNCHECK

5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.24% chance of exploitation in the next 30 days, 14th percentile

Published

2025-12-15

Updated

2026-04-07

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/51621

Security advisories

• https://www.vulncheck.com/advisories/perch-cms-stored-cross-site-scripting-via-svg-file-u…
• https://grabaperch.com

References

• CVE Record
• NVD entry