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.

CVSS v4.0

5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

6.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

EPSS

0.19% chance of exploitation in the next 30 days, 8th percentile

Published

2026-05-10

Updated

2026-05-24

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/50524

References

• CVE Record
• NVD entry

Related

• CVE-2021-47925
• CVE-2021-47927
• CVE-2021-47924
• CVE-2021-47928
• CVE-2021-47923
• CVE-2021-47929