CVE-2021-24226
CVE-2021-24226 is a high-severity vulnerability in Accessally with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 5% (92nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-200
- Affected product: Accessally
- Published:
- Last modified:
Description
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($_SERVER), which contains all environment variables. The leakage occurs on all public facing pages containing the [accessally_order_form] shortcode, no login or administrator role is required.
Frequently asked questions
- What is CVE-2021-24226?
- In the AccessAlly WordPress plugin before 3.5.7, the file "resource/frontend/product/product-shortcode.php" responsible for the [accessally_order_form] shortcode is dumping serialize($_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.
- How severe is CVE-2021-24226?
- CVE-2021-24226 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-24226 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24226?
- CVE-2021-24226 affects Accessally. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24226?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-24226 published?
- CVE-2021-24226 was published on 2021-04-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:accessally:accessally:*:*:*:*:*:wordpress:*:*
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