Cross-site scripting in collectchat Chatbot for WordPress by Collect.chat ⚡️
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
The Chatbot for WordPress by Collect.chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '_inpost_head_script[synth_header_script]' post meta field in all versions up to, and including, 2.4.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| collectchat | Chatbot for WordPress by Collect.chat ⚡️ | up to 2.4.8 | — | No fix listed | CNA |
- Chatbot for WordPress by Collect.chat ⚡️ Vendorcollectchat Affected up to 2.4.8 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-0736
- 2026-10-03 Alias added: GHSA-whjx-jr95-pc2f
References
Other 6
- https://www.wordfence.com/threat-intel/vulnerabilities/id/fb62f4c2-ce9f-4958-8b83-cc0d5f4d4647?source=cve
- https://plugins.trac.wordpress.org/browser/collectchat/trunk/collect.php#L388
- https://plugins.trac.wordpress.org/browser/collectchat/tags/2.4.8/collect.php#L388
- https://plugins.trac.wordpress.org/browser/collectchat/trunk/collect.php#L282
- https://plugins.trac.wordpress.org/browser/collectchat/tags/2.4.8/collect.php#L282
- https://plugins.trac.wordpress.org/changeset/3460985/
More collectchat vulnerabilities
- TI-2026-29434 WordPress collectchat plugin <= 2.4.9 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
- TI-2024-20162 WordPress Collect.chat plugin <= 2.4.1 - Cross Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 6.5
- TI-2023-05234 Cross-site scripting in collectchat Collect.chat Chatbot ⚡️ CVSS 3.1MEDIUM 4.8
Sources
- CVE-2026-0736 · CVE Program
- CVE-2026-0736 · NVD
- FIRST EPSS
- GHSA-whjx-jr95-pc2f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences