CVE-2021-37470: In NCH WebDictate v2.13, persistent Cross Site Scripting (XSS) exists in the Recipient Name field

Q: How do I fix CVE-2021-37470?

webdictate: upgrade to newer than 2.13. Exact commands for each OS are on this page.

Q: Is CVE-2021-37470 being exploited?

CVE-2021-37470 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-37470 affect?

CVE-2021-37470 affects webdictate. Severity is medium (CVSS 5.4). In NCH WebDictate v2.13, persistent Cross Site Scripting (XSS) exists in the Recipient Name field. An authenticated user can add or modify the affected field to inject arbitrary JavaScript.

Q: How urgent is CVE-2021-37470?

Priority 36/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2021-37470 is a medium-severity flaw (CVSS 5.4) affecting webdictate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In NCH WebDictate v2.13, persistent Cross Site Scripting (XSS) exists in the Recipient Name field. An authenticated user can add or modify the affected field to inject arbitrary JavaScript.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-07-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: nchsoftware

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-07-25 21:15 UTCPublished CVE record published
2026-06-17 04:00 UTCUpdated Record last modified

nchsoftware webdictate UPGRADE

Affected: <= 2.13

Fixed in: newer than 2.13

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy webdictate || rpm -q webdictate || webdictate --version

2. UPGRADE to newer than 2.13 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade webdictate

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade webdictate

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-37470?

webdictate: upgrade to newer than 2.13. Exact commands for each OS are on this page.

Is CVE-2021-37470 being exploited?

CVE-2021-37470 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-37470 affect?

CVE-2021-37470 affects webdictate. Severity is medium (CVSS 5.4). In NCH WebDictate v2.13, persistent Cross Site Scripting (XSS) exists in the Recipient Name field. An authenticated user can add or modify the affected field to inject arbitrary JavaScript.

How urgent is CVE-2021-37470?

Priority 36/100. Public exploit reference

Related CVEs

CVE-2021-37469 MEDIUM 6.5 UPGRADE In NCH WebDictate v2.13 and earlier, authenticated users can abuse logprop?file=/.

References

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