CVE-2021-24877
CVE-2021-24877 is a high-severity vulnerability in Mainwp Mainwp Child with a CVSS 3.x base score of 7.2. 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-89.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v2: 6.0
- EPSS exploit prediction: 1% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Mainwp Mainwp Child
- Published:
- Last modified:
Description
The MainWP Child WordPress plugin before 4.1.8 does not validate the orderby and order parameter before using them in a SQL statement, leading to an SQL injection exploitable by high privilege users such as admin when the Backup and Staging by WP Time Capsule plugin is installed
Frequently asked questions
- What is CVE-2021-24877?
- The MainWP Child WordPress plugin before 4.1.8 does not validate the orderby and order parameter before using them in a SQL statement, leading to an SQL injection exploitable by high privilege users such as admin when the Backup and Staging by WP Time Capsule plugin is installed
- How severe is CVE-2021-24877?
- CVE-2021-24877 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-24877 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24877?
- CVE-2021-24877 affects Mainwp Mainwp Child. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24877?
- 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-2021-24877 published?
- CVE-2021-24877 was published on 2021-11-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:mainwp:mainwp_child:*:*:*:*:*:wordpress:*:*
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