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Vulnerabilities

Vulnerability · CVE-2026-22209

wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags.

Published Mar 13, 2026 · catalog updated Jun 17, 2026 · wpDiscuz before 7.6.47 contains

Check if you run it

No confirmed exploitation is on record for CVE-2026-22209. EPSS is 0.23%. Act only if a listed version of wpDiscuz before 7.6.47 contains is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (wpDiscuz before 7.6.47 contains).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Not established
Affected products
cpe gvectors/wpdiscuz

wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like alert(1) in the custom CSS setting to execute arbitrary JavaScript in user browsers.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe gvectors/wpdiscuzversion unspecified

How to fix CVE-2026-22209

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-22209. EPSS is 0.23%. Act only if a listed version of wpDiscuz before 7.6.47 contains is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 13, 2026 · NIST NVD

    Detected

    wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like alert(1) in the custom CSS setting to execute arbitrary JavaScript in user browsers.

  2. Jun 17, 2026 · NIST NVD

    Updated

    wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like alert(1) in the custom CSS setting to execute arbitrary JavaScript in user browsers.

Sources

  • CVE.orgVulnerability recordCVE-2026-22209

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-22209

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-22209

    wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like alert(1) in the custom C

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.