CVE-2025-28905Network attack vector

Stored XSS via missing settings nonce validation

Published Mar 11, 2025 · Updated Apr 28, 2026

Stored XSS in Chaser324 Featured Posts Grid 1.7 and earlier allows remote attackers to inject scripts through a forged settings request. Public advisories identify a plugin settings function with missing or incorrect nonce validation, but do not disclose its name or affected parameters. Exploitation requires an authenticated administrator to open attacker-controlled content, after which the saved script executes in affected WordPress pages.

CVSS severity7.1
High
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stored XSS in Chaser324 Featured Posts Grid 1.7 and earlier allows remote attackers to inject scripts through a forged settings request. Public advisories identify a plugin settings function with missing or incorrect nonce validation, but do not disclose its name or affected parameters. Exploitation requires an authenticated administrator to open attacker-controlled content, after which the saved script executes in affected WordPress pages.

The record

CVE
CVE-2025-28905
Published
Mar 11, 2025
Updated
Apr 28, 2026
Vendor
Chaser324
Product
Featured Posts Grid
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=0 <=1.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Chaser324 · Featured Posts Gridversion=0 <=1.7

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

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

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo