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GetPaid EUVDEUVD-2026-112061

| CVE-2026-115609 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-10-28 Patchstack GHSA-3j88-g9q5-5g9p
7.1
CVSS 3.1 · Vendor: Patchstack
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Submit crafted input to GetPaid field
  2. Delivery
    Payload stored without sanitization
  3. Exploit
    Admin or user loads affected page
  4. Execution
    Script runs in victim's browser
  5. Impact
    Session hijack or unauthorized actions

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires that an attacker can submit data into a GetPaid (invoicing plugin) input that is stored and later rendered without proper output neutralization; per the CVSS vector (PR:N) no authentication is required to introduce the payload, but execution depends on a victim subsequently viewing the page containing it (UI:R), which is the primary limiting factor. Affected deployments are GetPaid versions up to and including 2.8.62. The exact field, form, or admin view that stores and reflects the payload is not described in the available sources, so the concrete trigger cannot be confirmed from the supplied data.

Impact

This is a moderate-severity stored XSS (CVSS 7.1) whose network vector (AV:N), low attack complexity (AC:L), and no-privilege requirement (PR:N) are offset by a required user-interaction step (UI:R) - a victim must load the page where the payload renders. The scope-changed, low-triple impact (S:C, C:L/I:L/A:L) reflects script execution in a victim's browser session rather than direct server compromise. No EPSS score, no CISA KEV listing, and no PoC/exploit reference beyond the Patchstack advisory were supplied, so there is no public exploit identified at time of analysis and no quantitative exploitation-probability signal to weigh. The vuln.today decision label is 'this_week', indicating a near-term but not emergency priority. Net: a credible, real stored-XSS issue worth patching on a short timeline, but not a mass-exploitation emergency - the absence of KEV/EPSS/PoC signals points to standard remediation rather than active, widespread attack. Note the signals are thin: only a single Patchstack reference underpins this assessment.

Exploit ScenarioDerived

An attacker places a malicious script into a GetPaid input field that the plugin fails to neutralize, and the payload is stored. When an administrator or another user later views the page that renders this data, the script executes in their browser session, enabling session/cookie theft or actions in their authenticated context. No public exploit code was identified; the exact injectable field is not described in the available sources.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet

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AnalysisAIv1 – Oct 28, 2026

Stored cross-site scripting in the GetPaid WordPress invoicing plugin, affecting versions through 2.8.62, allows remote attackers to plant script payloads that execute in the browser of any user who later views the affected page. The CVSS 3.1 score of 7.1 reflects network reachability and no authentication requirement for introducing the payload (PR:N), offset by a required victim interaction (UI:R) and a scope change (S:C) that lets the injected script act beyond the plugin's own context. No public exploit identified at time of analysis.

RemediationAI

Update the GetPaid plugin to the fixed release identified in the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/invoicing/vulnerability/wordpress-getpaid-plugin-2-8-62-cross-site-scripting-xss-vulnerability?_s_id=cve). The supplied data gives the affected range as through 2.8.62 but does not state an exact patched version number, so confirm the fixed build in that advisory and move to a GetPaid release later than 2.8.62 as published by the vendor. No specific configuration-level workaround or compensating control is documented in the supplied sources, so applying the vendor update is the primary remediation.

Affected VersionsENISA

GetPaid 0 ≤2.8.62

Affected Packages

euvd getpaid no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The flaw is CWE-79, improper neutralization of input during web page generation, in the WordPress invoicing plugin GetPaid (CPE cpe:2.3:a:stiofan:getpaid). Input accepted by the plugin is persisted and later rendered without adequate output neutralization, producing stored cross-site scripting; the exact field, form, or admin view that stores and reflects the payload is not described in the available sources, so the concrete trigger cannot be confirmed from the supplied data. Because the assessed vector is AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L, an unauthenticated remote party can supply the payload, but exploitation completes only when a victim loads the page where it is rendered. The scope change indicates the injected script can affect resources outside the vulnerable component, such as a privileged user's wp-admin session, with low confidentiality, integrity, and availability impact.

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Severity by source

Vendor (Patchstack) PRIMARY 7.1 HIGH
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
vuln.today AI 7.1 HIGH

Stored XSS reachable over the network with low complexity and no privileges (PR:N), but a victim must view the page (UI:R); script runs cross-context (S:C) with limited browser-side C/I/A impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Stiofan GetPaid invoicing allows Stored XSS.This issue affects GetPaid: from n/a through 2.8.62.

Executive ViewAI

Why It Matters

A high-severity stored cross-site scripting (XSS) vulnerability in the GetPaid WordPress invoicing plugin (versions through 2.8.62) enables unauthenticated attackers to inject malicious scripts that execute in the browsers of users viewing affected pages. This puts sensitive financial and customer data at risk, and successful exploitation could lead to account takeover, data theft, or unauthorized transactions, impacting the organization's reputation and regulatory compliance.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include restricting admin access, deploying WAF rules to filter malicious input, and monitoring for suspicious activity.

Threat Intelligence Overview

Prevalence
Low
WordPress invoicing plugin with a modest, niche install base
Social Media
1
Sightings
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS N/A
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
High

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

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