CVE-2023-1911 json
Blocksy Companion < 1.8.82 - Subscriber+ Draft Post Access
published 2023-05-02 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24099
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
The Blocksy Companion WordPress plugin before 1.8.82 does not ensure that posts to be accessed via a shortcode are already public and can be viewed, allowing any authenticated users, such as subscriber to access draft posts for example
Patch / fix
- Unknown Blocksy Companion 1.8.82
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/e7c52af0-b210-4e7d-a5e0-ee0645ddc08c referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected products
- Unknown Blocksy Companion
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
- Technology feeds
References
-
wpscan.com
/vulnerability/e7c52af0-b210-4e7d-a5e0-ee0645ddc08c
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2023-1911
- NVD CVE-2023-1911
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.