CVE-2021-24226 json
AccessAlly < 3.5.7 - $_SERVER Superglobal Leakage
published 2021-04-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11140
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.3%
- EPSS 5.3% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
In the AccessAlly WordPress plugin before 3.5.7, the file "resource/frontend/product/product-shortcode.php" responsible for the [accessally_order_form] shortcode is dumping serialize($_SERVER), which contains all environment variables. The leakage occurs on all public facing pages containing the [accessally_order_form] shortcode, no login or administrator role is required.
Patch / fix
- accessally accessally 3.5.7
Exploit prediction
5.26% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template AccessAlly <3.5.7 - Sensitive Information Leakage nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Unknown AccessAlly
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- Technology feeds
References
-
wpscan.com
/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24226
- NVD CVE-2021-24226
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