CVE-2026-25346Network attack vector

Unauthenticated browser script execution via undisclosed input handling

Published Mar 25, 2026 · Updated Mar 25, 2026

Cross-site scripting in AYS Pro FAQ Builder AYS 1.8.2 and earlier allows remote attackers to execute injected scripts in visitors' browsers. Patchstack has not disclosed the affected request parameter, rendering path, or faulty neutralization operation. Exploitation requires no authentication but requires a privileged user to perform an action, after which injected content can execute when guests visit the affected site.

CVSS severity7.1
High
EPSS probability0.18%
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

Cross-site scripting in AYS Pro FAQ Builder AYS 1.8.2 and earlier allows remote attackers to execute injected scripts in visitors' browsers. Patchstack has not disclosed the affected request parameter, rendering path, or faulty neutralization operation. Exploitation requires no authentication but requires a privileged user to perform an action, after which injected content can execute when guests visit the affected site.

The record

CVE
CVE-2026-25346
Published
Mar 25, 2026
Updated
Mar 25, 2026
Vendor
AYS Pro Plugins
Product
FAQ Builder AYS
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 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=n/a <=<= 1.8.2 changes=[{"at":"1.8.3","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

AYS Pro Plugins · FAQ Builder AYSversion=n/a <=<= 1.8.2 changes=[{"at":"1.8.3","status":"unaffected"}]

Published CVSS scores

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