CVE-2026-128893: Wise Chat (WordPress plugin) · Cross-site Scripting
Affects Wise Chat (WordPress plugin)Source CVE Database V5
Not known to be exploited · CVSS 7.1 High : upgrade to 3.4.6 soon.
Data as of 15 Nov 2026, 15:23 UTC
Thin evidence
One scorer or none| CNA (Patchstack) | CVSS 3.1 | 7.1 |
|---|
- Patch
- Available – fixed in 3.4.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 15 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.
What to do
Upgrade Wise Chat (WordPress plugin) to 3.4.6.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Wise Chatwise-chat | Affected
| Fixed in
|
AI-suggested
Upgrade Wise Chat to version 3.4.6 or later, where this vulnerability has been fixed. No other mitigation or workaround is indicated by the vendor advisory.
Description
CVE-2026-128893 is a reflected cross-site scripting (XSS) vulnerability in Wise Chat, a product by Marcin. The flaw allows improper neutralization of input during web page generation, potentially enabling attackers to inject malicious scripts. This vulnerability affects Wise Chat versions from the initial release up to and including 3.4.5. A fix is available in version 3.4.6.