CVE-2021-47926
CVE-2021-47926 is a medium-severity vulnerability with a CVSS 3.x base score of 6.4. 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 6.4)
- CVSS v4: 5.1
- EPSS exploit prediction: 0% (8th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2021-34788
- Weakness: CWE-79
- Published:
- Last modified:
Description
Contact Form to Email 1.3.24 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by creating forms with script tags in the form name field. Attackers can craft form names containing JavaScript code that executes when other logged-in users access the form management page, enabling session hijacking or credential theft.
Frequently asked questions
- What is CVE-2021-47926?
- Contact Form to Email 1.3.24 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by creating forms with script tags in the form name field. Attackers can craft form names containing JavaScript code that executes when other logged-in users access the form management page, enabling session hijacking or credential theft.
- How severe is CVE-2021-47926?
- CVE-2021-47926 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-47926 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2021-47926?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2021-47926 have an EU (EUVD) identifier?
- Yes. CVE-2021-47926 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34788.
- When was CVE-2021-47926 published?
- CVE-2021-47926 was published on 2026-05-10 and last updated on 2026-06-17.
References
- https://form2email.dwbooster.com/
- https://www.exploit-db.com/exploits/50524
- https://www.vulncheck.com/advisories/wordpress-contact-form-to-email-stored-xss
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