What is CVE-2020-18229?

CVE-2020-18229 is a medium-severity vulnerability in Phpmywind, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-05-27.

How severe is CVE-2020-18229?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Phpmywind

CVE-2020-18229

Cross Site Scripting (XSS) in PHPMyWind v5.5 allows remote attackers to execute arbitrary code by injecting scripts into the parameter "$cfg_copyright" of component " /admin/web_config.php".

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-05-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.3% 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

Phpmywind — versions 5.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/PearlyNautilus/Security-Code-Review/issues/4 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-18229?: CVE-2020-18229 is a medium-severity vulnerability in Phpmywind, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-05-27.
How severe is CVE-2020-18229?: Medium severity. CVSS v3 base score is 4.8 out of 10.