EmbedPress – PDF Embedder, Embed YouTube…: Use of Hard-coded Cryptographic Key
CVE-2023-3371 is a high-severity use of hard-coded cryptographic key vulnerability in EmbedPress – PDF Embedder, Embed YouTube Videos, 3D FlipBook, Social feeds, Docs & more from Wpdevteam, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected EmbedPress – PDF Embedder, Embed YouTube Videos, 3D FlipBook, Social feeds, Docs & more versions: 3.7.3 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.54% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of EmbedPress – PDF Embedder, Embed YouTube Videos, 3D FlipBook, Social feeds, Docs & more you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Wpdevteam | EmbedPress – PDF Embedder, Embed YouTube Videos, 3D FlipBook, Social feeds, Docs & more | 3.7.3 and earlier | Not stated |
| Wpdeveloper | Embedpress | 3.7.3 and earlier | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 5.3 | Medium | CNA (wordfence.com) |
| CVSS 3.1 | 7.5 | High | NVD |
Official description
The EmbedPress plugin for WordPress is vulnerable to Sensitive Information Exposure due to hardcoded encryption key on the 'lock_content_form_handler' and 'display_password_form' function in versions up to, and including, 3.7.3. This makes it possible for unauthenticated attackers to decrypt and view the password protected content.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Use of Hard-coded Cryptographic Key
The product uses a hard-coded, unchangeable cryptographic key.
How developers prevent this class of flaw
- Prevention schemes mirror that of hard-coded password storage.
More Use of Hard-coded Cryptographic Key vulnerabilities (CWE-321)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Patches and release notes
Third-party and government advisories
Other references
- plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/EmbedPress/Includes/Classes/Helper.php#L231Product
- plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/EmbedPress/Includes/Classes/Helper.php#L278Product
- plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/Gutenberg/block-backend/block-embedpress.php#L30Product
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