What is CVE-2017-20008?

CVE-2017-20008 is a medium-severity vulnerability in Mycred, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-11-29.

How severe is CVE-2017-20008?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2017-20008 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Mycred

CVE-2017-20008

The myCred WordPress plugin before 1.7.8 does not sanitise and escape the user parameter before outputting it back in the Points Log admin dashboard, leading to a Reflected Cross-Site Scripting

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-11-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Mycred
Mycred – Points, Rewards, Gamification, Ranks, Badges & Loyalty Plugin — versions 1.7.8

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

wpscan.com/vulnerability/3175c56d-27bb-4bf1-b6ba-737541483d40 (Exploit, Third Party Advisory)
plugins.trac.wordpress.org/changeset/1639363/mycred (Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2017-20008?: CVE-2017-20008 is a medium-severity vulnerability in Mycred, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-11-29.
How severe is CVE-2017-20008?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2017-20008 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.