Exploitation Summary
EIP tracks 1 public exploit for CVE-2018-5263. PoCs published by Mattia Furlani.
AI-analyzed exploit summary This is a writeup describing a persistent XSS vulnerability in Joomla Plugin Easydiscuss versions prior to 4.0.21. The exploit involves injecting HTML code after a malformed textarea tag, which executes when a user edits the message.
Description
The StackIdeas EasyDiscuss (aka com_easydiscuss) extension before 4.0.21 for Joomla! allows XSS.
Exploits (1)
exploitdb
WRITEUP
VERIFIED
by Mattia Furlani · textwebappsphp
https://www.exploit-db.com/exploits/43488
This is a writeup describing a persistent XSS vulnerability in Joomla Plugin Easydiscuss versions prior to 4.0.21. The exploit involves injecting HTML code after a malformed textarea tag, which executes when a user edits the message.
Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target:
Joomla Plugin Easydiscuss <4.0.21
Auth required
Prerequisites:
User credentials with permissions to post messages
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026
Full analysis →
References (2)
Core 2
Core References
Vendor Advisory x_refsource_confirm
https://stackideas.com/blog/easydiscuss4021-update
Exploit, Third Party Advisory, VDB Entry exploit
x_refsource_exploit-db
https://www.exploit-db.com/exploits/43488/
Scores
CVSS v3
5.4
EPSS
0.0158
EPSS Percentile
72.5%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (1)
stackideas/easydiscuss
< 4.0.21
Published
Jan 08, 2018
Tracked Since
Feb 18, 2026