CVE-2018-20731

Name: CVE-2018-20731
Creator: NVD / NIST
Published: 2019-01-17T02:29:00.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.80%

Last modified Jun 17, 2026

CVE-2018-20731 is a vulnerability of currently unknown severity. A stored cross site scripting (XSS) vulnerability in NeDi before 1.7Cp3 allows remote attackers to inject arbitrary web script or HTML via User-Chat.php.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

A stored cross site scripting (XSS) vulnerability in NeDi before 1.7Cp3 allows remote attackers to inject arbitrary web script or HTML via User-Chat.php.

Metrics

EPSS Probability

0.80%

52.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Nedi	Nedi	<= 1.7c

References

https://www.nedi.ch/end-of-year-update/Vendor Advisory
https://www.sakerhetskontoret.com/disclosures/nedi/report.htmlExploit, Third Party Advisory
https://www.nedi.ch/end-of-year-update/Vendor Advisory
https://www.sakerhetskontoret.com/disclosures/nedi/report.htmlExploit, Third Party Advisory

Timeline

Published: Jan 17, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20731?

A stored cross site scripting (XSS) vulnerability in NeDi before 1.7Cp3 allows remote attackers to inject arbitrary web script or HTML via User-Chat.php.

How severe is CVE-2018-20731?

Severity scoring for CVE-2018-20731 is pending analysis. The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20731?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20731?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST