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TableOn CVE-2026-115611

| EUVDEUVD-2026-112738 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-10-29 Patchstack GHSA-5h7f-5g53-7v2r
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
    Craft malicious URL with XSS payload
  2. Delivery
    Deliver link to site user via phishing
  3. Exploit
    Victim opens link in browser
  4. Execution
    Unsanitized input reflected into page
  5. Persist
    Script executes in site context
  6. Impact
    Session/credential theft or forced 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 an attacker to deliver a crafted request/link to a user and for that user to interact with it (CVSS UI:R) - reflected XSS is not self-triggering and cannot be launched silently against the server, which is the primary limiting factor. No authentication is required of the attacker (PR:N), and the flaw is reachable over the network against sites running the TableOn (posts-table-filterable) plugin at version 1.0.7 or earlier. The available advisory does not name the exact vulnerable parameter, page, or whether any non-default plugin configuration (e.g., a specific shortcode or filterable table being rendered) is needed to reach the vulnerable sink; that trigger is not described in the available sources. Realistic impact is bounded to actions performable in the victim's browser session on the affected site.

Impact

This is a reflected cross-site scripting flaw (CWE-79) in the PluginUs.Net TableOn 'posts-table-filterable' WordPress plugin, affecting versions up to and including 1.0.7. The provided CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L, base 7.1) indicates a network-reachable, low-complexity, unauthenticated flaw that nevertheless requires user interaction (UI:R) - the victim must follow an attacker-crafted request/link - which materially lowers real-world exploitability compared with a server-side RCE of similar score. No EPSS probability is supplied in the input, and the vulnerability is NOT in CISA KEV, so there is no evidence of active or widespread exploitation; the only signal of elevated attention is Patchstack's 'this_week' priority label, which reflects triage urgency rather than confirmed in-the-wild activity. The single reference is a Patchstack advisory entry, not verified working exploit code. Taken together, the signals are consistent with a moderate-severity, user-interaction-gated web flaw in a niche plugin: worth patching on a normal cadence rather than an emergency, and lower real-world priority than the 7.1 base score alone might suggest, because reflected XSS cannot be triggered without tricking a specific user. EPSS and any POC-confirmation data are missing from the input and should be verified before final prioritization.

Exploit ScenarioDerived

An attacker crafts a malicious URL targeting a vulnerable parameter handled by the TableOn plugin and delivers it to a logged-in or anonymous site user via phishing, a comment, or a third-party page. When the victim opens the link, unsanitized input is reflected into the generated page and the injected script executes in the victim's browser in the site's context. No public exploit identified at time of analysis; only a Patchstack advisory reference is provided.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 29, 2026

Reflected cross-site scripting in the PluginUs.Net TableOn (posts-table-filterable) WordPress plugin affects versions through 1.0.7 and lets a remote, unauthenticated attacker craft a request or link that executes script in a victim's browser only after the victim interacts with it (CVSS UI:R). The available advisory does not identify the exact vulnerable parameter, page, or non-default configuration needed to reach the sink, and no public exploit has been identified at time of analysis. Impact is bounded to the victim's browser session on the affected site, with low confidentiality and integrity impact and no availability impact under the assessed vector.

RemediationAI

The supplied data does not identify an exact fixed version; review the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/posts-table-filterable/vulnerability/wordpress-tableon-plugin-1-0-7-cross-site-scripting-xss-vulnerability?_s_id=cve for the vendor's patched release and update the TableOn (posts-table-filterable) plugin beyond 1.0.7 when available. If no update is confirmed, disabling the plugin removes the table-rendering path that carries the reflected XSS, at the cost of losing TableOn table functionality. No specific parameter-level workaround or vendor mitigation is described in the available sources, so do not treat generic filtering as a confirmed fix.

Affected VersionsENISA

TableOn 0 ≤1.0.7

Affected Packages

euvd tableon 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 a WordPress plugin. TableOn is the posts-table-filterable plugin, and the CPE cpe:2.3:a:pluginus.net:tableon:*:*:*:*:*:*:*:* covers the plugin through version 1.0.7. Reflected XSS means attacker-controlled input is returned in a generated page and executed under the affected site's origin when a victim follows a crafted request; the assessed CVSS scope is changed (S:C), so the script can affect resources beyond the vulnerable component's original security scope. The supplied sources do not describe the vulnerable parameter or whether a specific shortcode or filterable table configuration is required to reach the vulnerable sink.

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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 6.1 MEDIUM

Unauthenticated network reflected XSS (PR:N, AV:N) requiring victim interaction (UI:R) with scope change into the browser (S:C); confidentiality/integrity Low, availability not realistically affected.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/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 PluginUs.Net TableOn posts-table-filterable allows Reflected XSS.This issue affects TableOn: from n/a through 1.0.7.

Executive ViewAI

Why It Matters

The TableOn WordPress plugin, used on our public-facing website, contains a reflected cross-site scripting vulnerability (CVE-2026-115611) that could allow attackers to execute malicious scripts in a victim's browser, potentially leading to session hijacking or theft of user data. While no public exploit has been identified at this time, the absence of a vendor patch and the plugin's reachable nature warrant proactive measures to protect our brand and user trust.

Business Impact: Medium
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include: disabling or removing the TableOn plugin if not essential; deploying WAF rules to detect and block reflected XSS patterns targeting the plugin; enforcing strict Content Security Policy (CSP) headers; conducting targeted security awareness for administrators; and monitoring for suspicious client-side activity.

Threat Intelligence Overview

EPSS Score
0.2%
Top 91% exploitable
Prevalence
Low
niche WordPress table/filter plugin, limited install base
Social Media
1
Sightings
Data Quality
5 sources
Confidence: Medium

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 0.2%
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
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
Medium
Technical Impact
Partial

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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