Passster is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
CVE / CNA scorePending
The CVE record has not published a CNA CVSS assessment.
This CVE was published Jan 23, 2023 and is one of 2 known issues for this plugin.
What to do
Update, patch or deactivate.
No fixed release is identified. Update Passster when a confirmed fixed release becomes available; until then, disable and remove it when the site's risk warrants.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Source record
Technical description
The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.