Security readout for executives and security teams
Plain-English summary
This is a stored XSS issue in Easy Accept Payments for PayPal before 4.9.10. A logged-in WordPress user with Contributor or higher could place unsafe shortcode attributes into content, causing script to run when another user views that page. Business risk is mainly account/session abuse, content tampering, and trust damage on affected WordPress sites.
Executive priority
Treat as a moderate-priority WordPress exposure. It requires an authenticated lower-privileged user and victim interaction, but stored XSS can affect administrators or customers viewing trusted pages. Prioritize patching on public sites and sites with multiple content authors.
Technical view
The plugin fails to validate and escape some shortcode attributes before reflecting them in embedded page/post output. CVSS v3.1 is 5.4: network, low complexity, low privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact. CWE-79 applies. Versions before 4.9.10 are reported affected.
Likely exposure
Likely exposure is WordPress sites running Easy Accept Payments for PayPal before 4.9.10, especially where Contributor or higher users can create content using plugin shortcodes. Sites without the plugin, on 4.9.10 or later, or with tightly restricted author access are less exposed.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. WPScan is cited as a technical vulnerability entry and tagged exploit in the bundle, but that alone is not evidence of in-the-wild exploitation.
Researcher notes
The key validation point is unsafe shortcode attribute output in versions before 4.9.10. Evidence in the bundle is limited to the CVE description, CVSS, CWE-79 classification, and WPScan reference. Do not assume broader plugin versions, active exploitation, or vendor mitigations beyond updating to the fixed version.
Mitigation direction
- Upgrade Easy Accept Payments for PayPal to version 4.9.10 or later.
- Restrict Contributor and higher accounts to trusted users only.
- Review published posts and pages using the plugin shortcodes.
- Monitor vendor and WordPress plugin guidance for any additional remediation.
Validation and detection
- Inventory WordPress sites for the Easy Accept Payments for PayPal plugin.
- Confirm installed plugin versions are 4.9.10 or later.
- Identify posts or pages embedding affected payment shortcodes.
- Review Contributor and higher accounts for unnecessary publishing access.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-0275 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://wpscan.com/vulnerability/aab5d803-d621-4b12-a901-ff4447334d88CVE reference · exploit, vdb-entry
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.