CVE-2026-96765Network attack vectorHinoki check available

Unauthenticated stored XSS via unescaped JWT claims

Published Oct 10, 2026 · Updated Oct 10, 2026

Stored XSS in WPO365 | LOGIN 44.1 and earlier allows remote attackers to execute scripts via forged id_token claims in WordPress. The plugin stores malicious HTML from base64url-decoded unique_name or iss claims in the wpo365_errors transient for up to three days and renders it without adequate escaping. Injection requires no authentication; execution occurs when an administrator visits the WPO365 wizard page, exposing that browser session to attacker-controlled scripts.

CVSS severity7.2
High
EPSS probability0.32%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Stored XSS in WPO365 | LOGIN 44.1 and earlier allows remote attackers to execute scripts via forged id_token claims in WordPress. The plugin stores malicious HTML from base64url-decoded unique_name or iss claims in the wpo365_errors transient for up to three days and renders it without adequate escaping. Injection requires no authentication; execution occurs when an administrator visits the WPO365 wizard page, exposing that browser session to attacker-controlled scripts.

The record

CVE
CVE-2026-96765
Published
Oct 10, 2026
Updated
Oct 10, 2026
Vendor
WPO365
Product
WPO365 | LOGIN
Classifications
T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 10, 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=0 <=44.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WPO365 · WPO365 | LOGINversion=0 <=44.1

Published CVSS scores

7.2WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/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.

Activity data is delayed. The latest report is Sep 28, 2026.

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

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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