wpForo Forum <= 3.1.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'telegram' Profile Field
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 wpForo Forum plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'telegram' profile field in versions up to, and including, 3.1.6. This is due to insufficient input sanitization and output escaping in the profile_update action — the raw $_POST['data'] array is copied into a $custom_fields variable before validate() and sanitize() run, both of which operate only on a parallel $user reference, leaving $custom_fields unsanitized when it is persisted via update_custom_fields(); on render, wpforo_decode() reverses the entity encoding and the value is echoed without escaping in field_wrap_profile(). This makes it possible for authenticated attackers, with subscriber-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 |
|---|---|---|---|---|---|
| gVectors Team | wpForo Forum | up to 3.1.6 | — | No fix listed | CNA |
- wpForo Forum VendorgVectors Team Affected up to 3.1.6 Fixed in — No fix listed CNA
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:*:*:* | — | — | gVectors Team |
- cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:*:*:* Versions — — ·gVectors Team
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-93747
- 2026-10-03 Alias added: GHSA-584m-jf9m-5hp3
References
Other 7
- https://www.wordfence.com/threat-intel/vulnerabilities/id/15dc1661-793a-43dd-8a12-8f51da6cb304?source=cve
- https://plugins.trac.wordpress.org/browser/wpforo/tags/3.1.5/classes/Forms.php#L324
- https://plugins.trac.wordpress.org/browser/wpforo/tags/3.1.5/classes/Forms.php#L1074
- https://plugins.trac.wordpress.org/browser/wpforo/tags/3.1.5/classes/Members.php#L1157
- https://plugins.trac.wordpress.org/browser/wpforo/tags/3.1.5/classes/Members.php#L906
- https://plugins.trac.wordpress.org/browser/wpforo/tags/3.1.5/classes/Actions.php#L711
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3706608%40wpforo&new=3706608%40wpforo
More gVectors Team vulnerabilities
- TI-2020-14828 A Remote Code Execution vulnerability exists in the gVectors wpDiscuz plugin 7.0 through… CVSS 3.1CRITICAL 10.0
- TI-2026-17809 Voltronic Power SNMP Web Pro 1.1 Path Traversal via upload.cgi CVSS 4.0HIGH 8.7
- TI-2023-02108 Server-side request forgery in gVectors Team wpForo Forum CVSS 3.1HIGH 8.8
- TI-2023-02165 wpForo Forum < 2.1.9 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
- TI-2020-10702 A SQL injection issue in the gVectors wpDiscuz plugin 5.3.5 and earlier for WordPress… CVSS 3.1CRITICAL 9.8
- TI-2026-36676 WordPress wpForo Forum plugin <= 3.1.0 - Broken Authentication vulnerability CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-93747 · CVE Program
- CVE-2026-93747 · NVD
- FIRST EPSS
- GHSA-584m-jf9m-5hp3 · 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