CVE-2024-5448Public exploitNetwork attack vector

Contributor-level stored XSS via unescaped field separator

Published Jun 21, 2024 · Updated Aug 1, 2024

Stored XSS in PayPal Pay Now, Buy Now, Donation and Cart Buttons Shortcode 1.7 and earlier allows remote authenticated users to execute scripts. The paypal_button shortcode outputs its field_sep attribute without validation or escaping, allowing injected script markup to enter page content. Contributor-level access is required to store the shortcode, and the script executes in the browsers of later page visitors.

CVSS severity6.1
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in PayPal Pay Now, Buy Now, Donation and Cart Buttons Shortcode 1.7 and earlier allows remote authenticated users to execute scripts. The paypal_button shortcode outputs its field_sep attribute without validation or escaping, allowing injected script markup to enter page content. Contributor-level access is required to store the shortcode, and the script executes in the browsers of later page visitors.

The record

CVE
CVE-2024-5448
Published
Jun 21, 2024
Updated
Aug 1, 2024
Vendor
Mohsin Rasool
Product
PayPal Pay Now, Buy Now, Donation and Cart Buttons Shortcode
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 21, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 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=0 <=1.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Mohsin Rasool · PayPal Pay Now, Buy Now, Donation and Cart Buttons Shortcodeversion=0 <=1.7

Published CVSS scores

6.1CISA ADPCVSS: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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Cross-Site Scripting (XSS)
T1203Exploitation for Client Execution

Public exploit references

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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