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VulnerabilityPublished

CVE-2026-8853: MW WP Form · Cross-site Scripting

Affects MW WP FormSource CVE Database V5

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Not known to be exploited · CVSS 4.4 Medium.

Data as of 29 Oct 2026, 19:04 UTC

CVSS 3.1 base score
4.4Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 21% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Jun 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 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
websoudanMW WP FormAffected
  • <=5.1.3
Fixed in–

AI-suggested

Until an official fix is available, restrict editor-level access to trusted users only and monitor for suspicious activity related to the MW WP Form plugin. Avoid using the 'memo' parameter for untrusted input. Follow vendor updates for patches or official mitigations.

Description

The MW WP Form WordPress plugin versions up to and including 5.1.3 contain a stored cross-site scripting (XSS) vulnerability via the 'memo' parameter. Authenticated users with editor-level or higher privileges can inject malicious scripts that execute when other users view the affected pages. This occurs because input sanitization and output escaping are insufficient, and WordPress's usual protections do not apply due to how the memo data is stored.

References

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