CVE-2020-10411

Name: CVE-2020-10411
Creator: NVD / NIST
Published: 2020-03-12T14:15:14.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2020-10411 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/email-harvester.php by adding a question mark (?) followed by the payload.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/email-harvester.php by adding a question mark (?) followed by the payload.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.61%

44.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Chadhaajay	Phpkb	9.0

References

http://antoniocannito.it/?p=137#uxssExploit, Third Party Advisory
https://antoniocannito.it/phpkb1#reflected-cross-site-scripting-in-every-admin-page-cve-block-going-from-cve-2020-10391-to-cve-2020-10456Exploit, Third Party Advisory
http://antoniocannito.it/?p=137#uxssExploit, Third Party Advisory
https://antoniocannito.it/phpkb1#reflected-cross-site-scripting-in-every-admin-page-cve-block-going-from-cve-2020-10391-to-cve-2020-10456Exploit, Third Party Advisory

Timeline

Published: Mar 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10411?

How severe is CVE-2020-10411?

CVE-2020-10411 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10411?

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-2020-10411?

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

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Source: NVD / NIST