CVE-2019-14470

MEDIUM NUCLEI

cosenary Instagram-PHP-API <4.9.32 - XSS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-14470. PoCs published by Damian Ebelties. A Nuclei detection template is also available.

AI-analyzed exploit summary This exploit demonstrates a reflected XSS vulnerability in the UserPro WordPress plugin (v<=4.9.32) via the 'error_description' parameter in the Instagram API success.php file. The PoC shows how arbitrary JavaScript can be injected and executed in the context of a victim's browser.

Description

cosenary Instagram-PHP-API (aka Instagram PHP API V2), as used in the UserPro plugin through 4.9.32 for WordPress, has XSS via the example/success.php error_description parameter.

Exploits (1)

exploitdb WORKING POC
by Damian Ebelties · textwebappsphp
https://www.exploit-db.com/exploits/47304

This exploit demonstrates a reflected XSS vulnerability in the UserPro WordPress plugin (v<=4.9.32) via the 'error_description' parameter in the Instagram API success.php file. The PoC shows how arbitrary JavaScript can be injected and executed in the context of a victim's browser.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: UserPro WordPress Plugin <= 4.9.32
No auth needed
Prerequisites: Access to the vulnerable endpoint · Victim interaction to trigger the payload
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

WordPress UserPro 4.9.32 - Cross-Site Scripting
MEDIUMby daffainfo

References (4)

Core 4
Core References
Third Party Advisory x_refsource_misc
https://wpvulndb.com/vulnerabilities/9815
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/47304

Scores

CVSS v3 6.1
EPSS 0.2352
EPSS Percentile 96.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (3)
cosenary/instagram 0Packagist
instagram-php-api_project/instagram-php-api
userproplugin/user_pro < 4.9.32
Published Sep 04, 2019
Tracked Since Feb 18, 2026