CVE-2026-7526 PDF Embedder <= 4.9.3 - Authenticated (Contributor+) Information Exposure via Block Editor Page
Authenticated contributors can extract sensitive configuration data, including license keys if the premium add-on is installed, from the PDF Embedder plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7526?
CVE-2026-7526 is a medium-severity vulnerability in smub PDF Embedder – PDF Viewer & Embed PDF Files for WordPress, published on 28 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The PDF Embedder plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.9.3 via the enqueue_block_assets. This makes it possible for authenticated attackers, with contributor-level access and above, to extract configuration data. License key exposure occurs when the premium add-on is also installed and has saved a key; on Lite-only installations, the exposed data is limited to non-sensitive viewer configuration values such as width, height, toolbar settings, usage tracking, and plan.
Weakness: CWE-200
Which versions are affected by CVE-2026-7526?
How do I fix CVE-2026-7526?
No fix has been published for CVE-2026-7526 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-7526 being exploited?
There is no known exploitation of CVE-2026-7526 in the wild and no public exploit code.
Sources
Also known as GHSA-f2w5-jwq5-fprh.