CVE-2021-38337

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

The RSVPMaker Excel WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/phpexcel/PHPExcel/Shared/JAMA/docs/download.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.1.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
RSVPMaker Excel	RSVPMaker Excel	>= 1.1, <= 1.1

References

https://plugins.trac.wordpress.org/browser/rsvpmaker-excel/tags/1.2/phpexcel/PHPExcel/Shared/JAMA/docs/download.php#L61Exploit, Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38337Third Party Advisory
https://plugins.trac.wordpress.org/browser/rsvpmaker-excel/tags/1.2/phpexcel/PHPExcel/Shared/JAMA/docs/download.php#L61Exploit, Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38337Third Party Advisory

Timeline

Published: Sep 10, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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