CVE-2023-0057 Improper Restriction of Rendered UI Layers or Frames in pyload/pyload
Attackers can inject malicious scripts into the pyload web interface, potentially leading to session hijacking or arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-0057?
CVE-2023-0057 is a low-severity cross-site scripting vulnerability in pyload/pyload, published on 5 Jan 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Improper Restriction of Rendered UI Layers or Frames in GitHub repository pyload/pyload prior to 0.5.0b3.dev33.
Weakness: CWE-1021
Which versions are affected by CVE-2023-0057?
3 open source packages ship an affected version, including pyload-ng. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
pyload-ng PyPI | All versions | 0.5.0b3.dev33 |
pyload-ng PyPI | All versions | 0.5.0b3.dev33 |
pyload-ng PyPI | All versions | 0.5.0b3.dev33 |
Products include Pyload-Ng Project Pyload-Ng, Pyload Pyload.
How do I fix CVE-2023-0057?
Upgrade pyload-ng to 0.5.0b3.dev33 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-0057 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0057 exists.
Other vulnerabilities in pyload/pyload
- CVE-2025-54802 pyLoad CNL Blueprint is vulnerable to Path Traversal through `dlc_path` leading to Remote Code Execution (RCE)
- CVE-2024-22416 Cross-Site Request Forgery on any API call in pyLoad may lead to admin privilege escalation
- CVE-2023-0488 Cross-site Scripting (XSS) - Stored in pyload/pyload
- CVE-2026-35459 pyLoad has SSRF fix bypass via HTTP redirect
- CVE-2026-35463 pyLoad has Improper Neutralization of Special Elements used in an OS Command
Sources
Also known as GHSA-h8r9-467r-vjjf, PYSEC-2026-904.