CVE-2026-25306Known exploitationNetwork attack vector

Browser script execution via reflected input

Published Mar 25, 2026 · Updated Mar 25, 2026

Reflected XSS in 8theme XStore Core 5.6.4 and earlier allows remote attackers to execute scripts in a user's browser via a crafted link. The plugin reflects attacker-controlled request input into generated web output without adequate neutralization, but the affected parameter, route, and function are undisclosed. Exploitation requires a user to follow the malicious link, allowing the script to act in that user's site context.

CVSS severity7.1
High
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in 8theme XStore Core 5.6.4 and earlier allows remote attackers to execute scripts in a user's browser via a crafted link. The plugin reflects attacker-controlled request input into generated web output without adequate neutralization, but the affected parameter, route, and function are undisclosed. Exploitation requires a user to follow the malicious link, allowing the script to act in that user's site context.

The record

CVE
CVE-2026-25306
Published
Mar 25, 2026
Updated
Mar 25, 2026
Vendor
8theme
Product
XStore Core
Classifications
CWE-79, CAPEC-591, T1204.001
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

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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=n/a <=<= 5.6.4 changes=[{"at":"5.6.5","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

8theme · XStore Coreversion=n/a <=<= 5.6.4 changes=[{"at":"5.6.5","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

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1204.001User Execution Malicious Link

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.

Reported exploitation

Technologies

Your stack

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Your stack

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