Medium severity6.1NVD Advisory· Published May 24, 2021· Updated Jun 17, 2026

CVE-2021-20723

Description

Reflected cross-site scripting vulnerability in [MailForm01] free edition (versions which the last updated date listed at the top of descriptions in the program file is from 2014 December 12 to 2018 July 27) allows a remote attacker to inject an arbitrary script via unspecified vectors.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mailform01 Project/Mailform01
cpe:2.3:a:mailform01_project:mailform01:*:*:*:*:free:*:*:*
Range: >=2014-12-12,<=2018-07-27
MailForm/MailFormllm-fuzzy
Range: from 2014 December 12 to 2018 July 27
PHP Factory/[MailForm01] free editionv5
Range: versions which the last updated date listed at the top of descriptions in the program file is from 2014 December 12 to 2018 July 27

Patches

Vulnerability mechanics

References

jvn.jp/en/jp/JVN53910556/index.htmlnvdThird Party Advisory
www.php-factory.net/mail/01.phpnvdProductThird Party Advisory

News mentions

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cvss	0.397
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000