CVE-2020-25343

MEDIUM

Symphony CMS 3.0.0 - Stored Cross-Site Scripting via Event Publish Article Body Field

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-25343. PoCs published by SunCSR.

AI-analyzed exploit summary This exploit demonstrates a persistent XSS vulnerability in SymphonyCMS 3.0.0 via the 'fields[body]' parameter in the article creation form. The payload is injected and executed when any user, including admins, views the article.

Description

Cross-site scripting (XSS) vulnerabilities in Symphony CMS 3.0.0 allow remote attackers to inject arbitrary web script or HTML to fields['body'] param via events\event.publish_article.php

Exploits (1)

exploitdb WORKING POC
by SunCSR · textwebappsphp
https://www.exploit-db.com/exploits/48773

This exploit demonstrates a persistent XSS vulnerability in SymphonyCMS 3.0.0 via the 'fields[body]' parameter in the article creation form. The payload is injected and executed when any user, including admins, views the article.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: SymphonyCMS 3.0.0
Auth required
Prerequisites: Valid user credentials · Access to the article creation form
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/48773

Scores

CVSS v3 5.4
EPSS 0.0070
EPSS Percentile 48.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
getsymphony/symphony 3.0.0
Published Oct 07, 2020
Tracked Since Feb 18, 2026