CVE-2021-24513
CVE-2021-24513 is a medium-severity vulnerability in Web-settler Form Builder with a CVSS 3.x base score of 5.4. 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Web-settler Form Builder
- Published:
- Last modified:
Description
The Form Builder | Create Responsive Contact Forms WordPress plugin before 1.9.8.4 does not sanitise or escape its Form Title, allowing high privilege users such as admin to set Cross-Site Scripting payload in them, even when the unfiltered_html capability is disallowed
Frequently asked questions
- What is CVE-2021-24513?
- The Form Builder | Create Responsive Contact Forms WordPress plugin before 1.9.8.4 does not sanitise or escape its Form Title, allowing high privilege users such as admin to set Cross-Site Scripting payload in them, even when the unfiltered_html capability is disallowed
- How severe is CVE-2021-24513?
- CVE-2021-24513 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-24513 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24513?
- CVE-2021-24513 affects Web-settler Form Builder. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24513?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-24513 published?
- CVE-2021-24513 was published on 2021-09-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:web-settler:form_builder:*:*:*:*:*:wordpress:*:*
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