Popup Builder: Filesystem traversal
Popup Builder is affected by filesystem traversal. Exposure depends on how the affected operation is made reachable by the site. A crafted path can escape the intended directory and reach files or directories elsewhere on the server.
- Component
- Popup Builder
- Plugin slug
popup-builder- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Feb 21, 2022
This CVE was published Feb 21, 2022 and is one of 22 known issues for this plugin.
Update, patch or deactivate.
Update Popup Builder to a release outside the affected range, or disable and remove it until a fixed version is available.
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.
Technical description
The Popup Builder WordPress plugin before 4.0.7 does not validate and sanitise the sgpb_type parameter before using it in a require statement, leading to a Local File Inclusion issue. Furthermore, since the beginning of the string can be controlled, the issue can lead to RCE vulnerability via wrappers such as PHAR
NVD vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H