CVE-2021-40541

6.1 MEDIUM

PHPFusion 9.03.110 is affected by cross-site scripting (XSS) in the preg patterns filter html tag without "//" in descript() function An ...

Published: 2021-10-11 · Last updated: 2026-06-17

Severity and scoring

CVSS: 6.1 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE: CWE-79

Affected products

Vendor	Product
php-fusion	phpfusion

Description

PHPFusion 9.03.110 is affected by cross-site scripting (XSS) in the preg patterns filter html tag without "//" in descript() function An authenticated user can trigger XSS by appending "//" in the end of text.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-40541
[Exploit reference]https://github.com/PHPFusion/PHPFusion/issues/2373
[Exploit reference]https://github.com/PHPFusion/PHPFusion/issues/2373

Related CVEs

Same vendor

CVE-2021-40189 — PHPFusion 9.03.110 is affected by a remote code execution vulnerability (7.2 HIGH)
CVE-2021-40188 — PHPFusion 9.03.110 is affected by an arbitrary file upload vulnerability (7.2 HIGH)

Same CWE

CVE-2026-12425 — Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in PowerSchool Employee Access ...
CVE-2024-30476 — PowerStore contains a Stored Cross-Site Scripting Vulnerability in the PowerStore Manager (5.4 MEDIUM)
CVE-2026-54198 — Unauthenticated Cross Site Scripting (XSS) in Media LIbrary Assistant <= 3.35 versions (7.1 HIGH)
CVE-2026-54191 — Unauthenticated Cross Site Scripting (XSS) in Pods <= 3.3.8 versions (7.1 HIGH)
CVE-2026-39437 — Unauthenticated Cross Site Scripting (XSS) in Min Max Step Quantity Limits Manager for WooCommerce <= 5.2.2 versions (7.1 HIGH)