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VulnerabilityPublished

CVE-2026-128893: Wise Chat (WordPress plugin) · Cross-site Scripting

Affects Wise Chat (WordPress plugin)Source CVE Database V5

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Not known to be exploited · CVSS 7.1 High : upgrade to 3.4.6 soon.

Data as of 15 Nov 2026, 15:23 UTC

CVSS 3.1 base score
7.1High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (Patchstack)CVSS 3.17.1
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:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
Wise Chatwise-chatAffected
  • <3.4.6
Fixed in
  • 3.4.6

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.

References

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