CVE-2021-47913

MEDIUM EPSS 12.1%
Published Feb 1, 20265mo ago · Modified Jun 17, 20262w ago
5.1 CVSS 4.0
Medium
Find Similar
Published Feb 1, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago

Description

PHP Melody 3.0 contains a persistent cross-site scripting vulnerability in the video editor that allows privileged users to inject malicious scripts. Attackers can exploit the WYSIWYG editor to execute persistent scripts, potentially leading to session hijacking and application manipulation.

CVSS Details

Base Score
5.1
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
12.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
phpsugarphp_melody3.0any

References 4

  • phpsugar.com https://www.phpsugar.com/blog/2021/09/php-melody-3-0-vulnerability-report-fix/
    Vendor Advisory
  • phpsugar.com https://www.phpsugar.com/phpmelody.html
    Product
  • vulncheck.com https://www.vulncheck.com/advisories/php-melody-persistent-cross-site-scripting-via-video-editor
    Third Party Advisory
  • vulnerability-lab.com https://www.vulnerability-lab.com/get_content.php?id=2291
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.