CVE-2018-20858

Name: CVE-2018-20858
Creator: NVD / NIST
Published: 2019-08-09T16:15:10.803+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.85%

Last modified Jun 17, 2026

CVE-2018-20858 is a vulnerability of currently unknown severity. Recommender before 2018-07-18 allows XSS.. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

Recommender before 2018-07-18 allows XSS.

Metrics

EPSS Probability

0.85%

53.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Edx	Recommender	< 1.3.1

References

https://github.com/edx/RecommenderXBlock/pull/2Patch, Third Party Advisory
https://groups.google.com/forum/#%21topic/openedx-announce/SF8Sn6MuUTg
https://github.com/edx/RecommenderXBlock/pull/2Patch, Third Party Advisory
https://groups.google.com/forum/#%21topic/openedx-announce/SF8Sn6MuUTg

Timeline

Published: Aug 9, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20858?

Recommender before 2018-07-18 allows XSS.

How severe is CVE-2018-20858?

Severity scoring for CVE-2018-20858 is pending analysis. The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20858?

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-2018-20858?

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

Scan your code now

Source: NVD / NIST