CVE-2026-78282Network attack vector

Unauthenticated browser script execution

Published Aug 24, 2026 · Updated Aug 24, 2026

Cross-site scripting in Stripe Payments 2.1.2 and earlier allows remote attackers to execute script through unauthenticated input. Patchstack has not disclosed the affected parameter, code path, or output sink, so the precise neutralization failure remains unspecified. Exploitation requires a victim to open crafted content; script then runs in the affected site's origin with access limited to that browser session.

CVSS severity7.1
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Stripe Payments 2.1.2 and earlier allows remote attackers to execute script through unauthenticated input. Patchstack has not disclosed the affected parameter, code path, or output sink, so the precise neutralization failure remains unspecified. Exploitation requires a victim to open crafted content; script then runs in the affected site's origin with access limited to that browser session.

The record

CVE
CVE-2026-78282
Published
Aug 24, 2026
Updated
Aug 24, 2026
Vendor
Stripe
Product
Stripe Payments
Classifications
CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 24, 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 <=2.1.2 changes=[{"at":"2.1.3","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Stripe · Stripe Paymentsversion=n/a <=2.1.2 changes=[{"at":"2.1.3","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

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')

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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