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Fencer Vulns
medium 6.1

CVE-2024-5448 json

PayPal Pay Now, Buy Now, Donation and Cart Buttons Shortcode <= 1.7 - Contributor+ Stored XSS

published 2024-06-21 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-46666

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

Summary

The PayPal Pay Now, Buy Now, Donation and Cart Buttons Shortcode WordPress plugin through 1.7 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/c482fe19-b643-41ea-8194-22776b388290/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Unknown PayPal Pay Now, Buy Now, Donation and Cart Buttons Shortcode
  • wordpress paypal_pay_now_button
  • wordpress paypal_buy_now_button
  • wordpress paypal_donation_button
  • wordpress paypal_cart_buttons_shortcode

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.