CVE-2023-53890

MEDIUM

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

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-53890. PoCs published by Mirabbas Ağalarov.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in Perch CMS v3.2 by uploading an SVG file containing malicious JavaScript. The payload executes when the SVG is accessed, triggering an alert with the document location.

Description

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.

Exploits (1)

exploitdb WORKING POC
by Mirabbas Ağalarov · textwebappsphp
https://www.exploit-db.com/exploits/51621

This exploit demonstrates a stored XSS vulnerability in Perch CMS v3.2 by uploading an SVG file containing malicious JavaScript. The payload executes when the SVG is accessed, triggering an alert with the document location.

Classification
Working Poc 100%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Perch CMS v3.2
Auth required
Prerequisites: Authenticated access to Perch CMS · Ability to upload SVG files
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3

Scores

CVSS v3 5.4
EPSS 0.0020
EPSS Percentile 9.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
grabaperch/perch 3.2
Perch/Perch 3.2
Published Dec 15, 2025
Tracked Since Feb 18, 2026