CVE-2023-1554: fullworksplugins quick_paypal_payments Cross-site Scripting
Vulnerability summary
CVE-2023-1554 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in fullworksplugins quick_paypal_payments. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 02-05-2023PublishedVulnerability first disclosed.
- 30-01-2025Last modifiedVulnerability information updated.
Description
The Quick Paypal Payments WordPress plugin before 5.7.26.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- wordfenceSource4.4MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
0.00 pp
From 0.47% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Fullworksplugins1 product
- quick_paypal_payments< 5.7.26.4
Unknown1 product
- quick paypal payments< 5.7.26.4
Wordpress1 product
- quick-paypal-payments≤ 5.7.26.3 (fixed in 5.7.26.4)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/0d247a3d-154e-4da7-a147-c1c7e1b5e87eExploitVDB EntryTechnical DescriptionThird Party Advisory