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CVE-2025-3531

20
FAUCET Score

CVE-2025-3531 is a cross-site scripting (XSS) vulnerability found in YouDianCMS version 9.5.21, specifically within the /App/Tpl/Admin/Default/Log/index.html file. This vulnerability allows remote attackers to inject malicious scripts by manipulating the UserName or LogType arguments. With a CVSS score of 6.1 (Medium), this XSS flaw can be exploited remotely with low attack complexity, requiring user interaction. Successful exploitation could lead to limited confidentiality and integrity impacts, as an attacker could potentially steal session cookies or deface web content. While the exploit has been publicly disclosed, there is no evidence of active exploitation, nor are there known Metasploit or Nuclei modules. Community discussion and media coverage are minimal, suggesting low current attention.

Impacted Technologies

VendorProductVersion(s)CPE
9.5.21CPE matchmatch criteria
cpe:2.3:a:youdiancms:youdiancms:9.5.21:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

5.3MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/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
NONE
User Interaction
PASSIVE
VS Confidentiality
NONE
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
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 37th percentile among its peer group of 26,220 CVEs.

Social Chatter

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

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2025-3531Moderate

YouDianCMS index.html cross site scripting

Apr 13, 2025

References

github.com / zonesec0/findcve/issues/4
ExploitIssue TrackingVendor Advisory
github.com / zonesec0/findcve/issues/5
ExploitIssue TrackingVendor Advisory
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry