CVE-2021-24840 json
Squaretype Modern Blog < 3.0.4 - Unauthenticated Private/Schedule Posts Disclosure
published 2021-11-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11752
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
The Squaretype WordPress theme before 3.0.4 allows unauthenticated users to manipulate the query_vars used to retrieve the posts to display in one of its REST endpoint, without any validation. As a result, private and scheduled posts could be retrieved via a crafted request.
Patch / fix
- codesupply squaretype 3.0.4
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/971302fd-4e8b-4c6a-818f-3a42c7fb83ef referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Unknown Squaretype
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
- Technology feeds
References
-
wpscan.com
/vulnerability/971302fd-4e8b-4c6a-818f-3a42c7fb83ef
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24840
- NVD CVE-2021-24840
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