W (vincent-peugnet/wcms) through 3.18.0 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via the login user field and visitor comment website field. Attackers can submit failed logins rendered unescaped in the adminlog.php log viewer, or comment URLs echoed into href attributes in editrightbar.php, executing script with administrator or editor privileges.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Wcms Wcms
cpe:2.3:a:wcms:wcms:*:*:*:*:*:*:*:*
|
— |
<= 3.18.0
|
References 6
https://github.com/vincent-peugnet/wcms
disclosure@vulncheck.com
https://github.com/vincent-peugnet/wcms/blob/cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f…
disclosure@vulncheck.com
https://github.com/vincent-peugnet/wcms/blob/cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f…
disclosure@vulncheck.com
https://github.com/vincent-peugnet/wcms/blob/cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f…
disclosure@vulncheck.com
https://github.com/vincent-peugnet/wcms/issues/662
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/w-wcms-through-3.18.0-unauthenticated-stor…
disclosure@vulncheck.com