CVE-2020-18766

Name: CVE-2020-18766
Creator: NVD / NIST
Published: 2020-10-26T16:15:13.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.6/10EPSS 1.14%

Last modified Jun 17, 2026

CVE-2020-18766 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. A cross-site scripting (XSS) vulnerability AntSword v2.0.7 can remotely execute system commands.. EPSS estimates a 1.14% chance of exploitation in the next 30 days.

Description

A cross-site scripting (XSS) vulnerability AntSword v2.0.7 can remotely execute system commands.

Metrics

CVSS 3.1

9.6/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

1.14%

62.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Antsword Project	Antsword	2.0.7

References

https://github.com/AntSwordProject/antSword/issues/147Exploit, Third Party Advisory
https://github.com/AntSwordProject/antSword/issues/147Exploit, Third Party Advisory

Timeline

Published: Oct 26, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-18766?

A cross-site scripting (XSS) vulnerability AntSword v2.0.7 can remotely execute system commands.

How severe is CVE-2020-18766?

CVE-2020-18766 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.

How do I fix CVE-2020-18766?

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-2020-18766?

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

Scan your code now

Source: NVD / NIST