CVE-2026-93303Network attack vectorHinoki check available

Script execution via unsanitized resumed rich text

Published Sep 25, 2026 · Updated Sep 25, 2026

Stored DOM-based XSS in HT Plugins HT Contact Form 2.10.1 and earlier allows remote attackers to execute scripts through draft resume links. The Save & Resume flow stores unsanitized form_data from a Rich Text field and restores it into the page DOM without adequate output escaping. Exploitation requires the Rich Text and Save & Resume features and a user to open an attacker-built resume URL containing the returned draft_key and access_token.

CVSS severity7.2
High
EPSS probability0.25%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
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Summary

What happened

Stored DOM-based XSS in HT Plugins HT Contact Form 2.10.1 and earlier allows remote attackers to execute scripts through draft resume links. The Save & Resume flow stores unsanitized form_data from a Rich Text field and restores it into the page DOM without adequate output escaping. Exploitation requires the Rich Text and Save & Resume features and a user to open an attacker-built resume URL containing the returned draft_key and access_token.

The record

CVE
CVE-2026-93303
Published
Sep 25, 2026
Updated
Sep 25, 2026
Vendor
HT Plugins
Product
HT Contact Form
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 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=0 <=2.10.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

HT Plugins · HT Contact Formversion=0 <=2.10.1

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

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

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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