Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessAuthenticate as low-privileged user
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DeliverySubmit testimonial containing malicious script
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ExploitPayload stored in WordPress database
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ExecutionAdministrator views stored testimonial
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PersistJavaScript executes in admin browser
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ImpactHijack session or perform admin 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 authenticated account with at least low-level privileges on the WordPress site capable of submitting testimonial content to the Strong Testimonials plugin (consistent with PR:L), plus subsequent user interaction (UI:R) - a victim such as an administrator must view the page rendering the stored, improperly neutralized input for the script to execute. The precise injectable field and the exact capability threshold are not detailed in the available sources. Limiting factors that reduce real-world risk: the need for a pre-existing authenticated (non-anonymous) account, the dependency on a victim viewing the stored content, and the requirement that the vulnerable plugin (version ≤3.3.15) be installed and active. There is no indication in the input that any non-default configuration is required. |
| Impact | This is a stored (persistent) cross-site scripting flaw (CWE-79) in the Strong Testimonials WordPress plugin, versions through 3.3.15, with a CVSS 3.1 base score of 6.5 (vector AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L). The signals point to a moderate, not emergency, priority. The vector indicates network reach and low attack complexity, but it is NOT unauthenticated: PR:L means the attacker needs at least a low-privileged authenticated account, and UI:R means a victim (typically an administrator or other user) must view the injected content for the payload to fire. The scope-change flag (S:C) reflects that the injected script executes in the victim's browser context rather than only the vulnerable component, which is standard for stored XSS. No EPSS probability was supplied in the input, there is no CISA KEV listing, and no verified public exploit code is present - only a Patchstack database advisory reference. The vuln.today decision label is 'this_month', consistent with a real but non-urgent issue rather than an actively exploited critical bug. Net: a genuine issue worth patching on a normal monthly cycle, not a drop-everything emergency, with the authentication and user-interaction requirements meaningfully limiting mass exploitation. Note the absence of an EPSS score in the input - exploitation probability could not be quantified from the data provided. |
| Exploit ScenarioDerived | A low-privileged authenticated user (for example a contributor-level account able to submit testimonial content) injects a malicious JavaScript payload into a testimonial field that the plugin fails to properly neutralize. The payload is stored and later rendered when an administrator or other user views the affected page, executing the attacker's script in that victim's browser session. No verified public exploit code is present in the input - only a Patchstack advisory reference - so exploitation would require an attacker to craft the payload themselves. |
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Alert meAnalysisAIv1 – Oct 29, 2026
Stored cross-site scripting in the WP Chill Strong Testimonials WordPress plugin, affecting all versions through 3.3.15, lets an authenticated low-privilege user submit testimonial content that is rendered without proper neutralization, so script executes in the browser of any user - including an administrator - who views the affected page. The assessed CVSS 3.1 base score is 6.5 (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N), reflecting the need for a pre-existing account and for victim interaction, while the scope change means the injected script can act beyond the plugin's own component. No CISA KEV entry, public exploit reference or EPSS score was supplied in the available intelligence, so there is no public exploit identified at time of analysis; the vendor-facing reference is the Patchstack advisory for the 3.3.15 release.
RemediationAI
The supplied intelligence does not name a patched release, so the first step is to confirm the current fixed version in the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/strong-testimonials/vulnerability/wordpress-strong-testimonials-plugin-3-3-15-cross-site-scripting-xss-vulnerability) and upgrade the plugin from any version at or below 3.3.15 to that release; if no fixed version is listed yet, the practical compensating control is to deactivate Strong Testimonials until an update is available, accepting the loss of the testimonial display and submission functionality on the site. Because exploitation requires an authenticated account that can submit testimonial content plus a victim who views the stored entry (PR:L/UI:R), reducing the number of accounts holding contributor-level or higher capabilities and reviewing who may submit testimonials limits exposure, at the cost of restricting editorial workflow. Sites should also review existing stored testimonial submissions for injected markup before restoring normal use, since the payload persists in the database after patching.
Affected VersionsENISA
Affected Packages
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 that stores user-submitted testimonials and later renders them back into pages. Because testimonial content is persisted and subsequently output without adequate encoding or sanitization, the payload lives on the server rather than in a single request, which is what makes it stored (persistent) XSS. The CPE cpe:2.3:a:wp_chill:strong_testimonials:*:*:*:*:*:*:*:* and the EUVD version range both confirm the plugin itself is the affected component through 3.3.15, and exploitation presupposes that the plugin is installed and active on the target WordPress site. The CVSS vector AV:N/AC:L/PR:L/UI:R/S:C indicates a network-reachable attack that is straightforward to perform technically but requires an authenticated low-privileged account and a victim who loads the page rendering the stored input; the scope change reflects that the injected script runs in the context of the viewing user rather than the submitting one. The available sources do not identify the exact injectable field or the precise capability threshold needed to submit the content, so the trigger detail remains unconfirmed beyond the general submit-then-render path.
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Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Authenticated content submitter needed (PR:L) and a victim must view the payload (UI:R); stored XSS crosses into the browser context (S:C) with low confidentiality/integrity impact and no availability impact.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
DescriptionCVE.org
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Chill Strong Testimonials strong-testimonials allows Stored XSS.This issue affects Strong Testimonials: from n/a through 3.3.15.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
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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EUVD-2026-112882
GHSA-mxfm-g8qj-phwg
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB