ImpressCMS 1.3.10 Cross Site Scripting

ImpressCMS 1.3.10 Cross Site Scripting

ImpressCMS 1.3.10 - Reflected and Stored ImpressCMS 1.3.10 Cross Site Scripting

ImpressCMS 1.3.10 - Reflected and Stored XSS
Advisory ID: RO-18-002
Severity: Medium
Vendor: ImpressCMS
Product: ImpressCMS
Version: 1.3.10


Overview #

Multiple Cross-site Scripting (XSS) vulnerabilities exist in ImpressCMS version 1.3.10, including both Reflected and Stored XSS. These vulnerabilities allow remote attackers to inject arbitrary web script or HTML.


Vulnerability Details #

Affected Versions: 1.3.10 and earlier

Root Cause: Insufficient input validation and output encoding allows both reflected and stored XSS attacks.


Exploitation Requirements #

No authentication required for reflected XSS
Authentication may be required for stored XSS

Impact #

Remote attackers can exploit these vulnerabilities to:

Steal user session cookies
Perform actions on behalf of users
Persistently inject malicious content

Proof of Concept #

Details available upon request.


Solution #

Upgrade to a patched version of ImpressCMS that includes proper input sanitization.


References #

Vendor notification sent

Timeline:

[2018-01-01] - Discovered

Credits: Omar Kurt