CVE-2026-2934Public exploitNetwork attack vector

Stored XSS via unneutralized friend-link group name

Published Feb 22, 2026 · Updated Feb 22, 2026

Stored cross-site scripting in YiFang CMS 2.0.0 through 2.0.5 allows remote authenticated users to run script via a crafted group Name. The update function in app/db/admin/D_friendLinkGroup.php accepts the Name argument without neutralizing it before the administrative view renders it. Exploitation requires high privileges and another user to view the affected output, enabling script-driven changes in that browser session.

CVSS severity4.8
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in YiFang CMS 2.0.0 through 2.0.5 allows remote authenticated users to run script via a crafted group Name. The update function in app/db/admin/D_friendLinkGroup.php accepts the Name argument without neutralizing it before the administrative view renders it. Exploitation requires high privileges and another user to view the affected output, enabling script-driven changes in that browser session.

The record

CVE
CVE-2026-2934
Published
Feb 22, 2026
Updated
Feb 22, 2026
Vendor
YiFang
Product
YiFang CMS
Classifications
CWE-94, CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Feb 22, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 22, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.0.0
  2. Affected versionversion=2.0.1
  3. Affected versionversion=2.0.2
  4. Affected versionversion=2.0.3
  5. Affected versionversion=2.0.4
  6. Affected versionversion=2.0.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

YiFang · YiFang CMSversion=2.0.0; version=2.0.1; version=2.0.2; version=2.0.3; version=2.0.4; version=2.0.5

Published CVSS scores

3.3VulDBAV:N/AC:L/Au:M/C:N/I:P/A:N
1.9VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
2.4VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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