CVE-2022-1250Network attack vector

Reflected XSS via unsanitized payment parameters

Published May 2, 2022 · Updated Aug 2, 2024

Reflected cross-site scripting in LifterLMS PayPal Payments before 1.4.0 allows remote attackers to execute script via payment confirmation parameters. The LLMS_Payment_Gateway_PayPal::after_payment_method_details() function outputs unsanitized user-controlled parameters into the confirmation page without adequate escaping. Exploitation requires a victim to open a crafted URL, enabling script execution in the victim's browser with limited confidentiality and integrity impact.

CVSS severity6.1
Medium
EPSS probability0.94%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected cross-site scripting in LifterLMS PayPal Payments before 1.4.0 allows remote attackers to execute script via payment confirmation parameters. The LLMS_Payment_Gateway_PayPal::after_payment_method_details() function outputs unsanitized user-controlled parameters into the confirmation page without adequate escaping. Exploitation requires a victim to open a crafted URL, enabling script execution in the victim's browser with limited confidentiality and integrity impact.

The record

CVE
CVE-2022-1250
Published
May 2, 2022
Updated
Aug 2, 2024
Vendor
LifterLMS
Product
LifterLMS PayPal Payments
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 2, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record 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=1.4.0 <1.4.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

LifterLMS · LifterLMS PayPal Paymentsversion=1.4.0 <1.4.0

Published CVSS scores

4.3NVDAV:N/AC:M/Au:N/C:N/I:P/A:N
6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/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.

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

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Your stack

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