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CVE-2021-47751

28
FAUCET Score

CVE-2021-47751 describes a directory traversal vulnerability in CuteEditor for PHP (Rich Text Editor) version 6.6. This flaw allows attackers to write files to arbitrary web root directories by manipulating the ServerMapPath() function during HTML file uploads. Rated with a CVSS score of 7.5 (HIGH), it poses a significant risk due to its low attack complexity and high impact on integrity, requiring no user interaction or privileges. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered notable community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.6CPE matchmatch criteria
cpe:2.3:a:phphtmledit:rich_text_editor:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

5.3MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/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
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
50.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0072 is in the 26th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

phphtmledit.com
Product
exploit-db.com / exploits/50994
Exploit
vulncheck.com / advisories/cuteeditor-for-php-directory-traversal
Third Party Advisory