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Vulnerabilities

Vulnerability · CVE-2026-76612

Joomla Extension - yootheme.com - Unauthenticated stored XSS via user-controlled fields in Zoo < 4.1.66 - User supplied input in comments and user supplied field eleme…

Published Aug 21, 2026 · catalog updated Oct 15, 2026 · the affected product

Check if you run it

No confirmed exploitation is on record for CVE-2026-76612. EPSS is 0.44%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.44%
Remediation
Version ranges on file
Affected products
stated named in the record

Joomla Extension - yootheme.com - Unauthenticated stored XSS via user-controlled fields in Zoo < 4.1.66 - User supplied input in comments and user supplied field elements weren't escaped, leading to a stored XSS vector.

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.

  • stated named in the record< 4.1.66

How to fix CVE-2026-76612

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-2026-76612. EPSS is 0.44%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Compare what you have installed with named in the record < 4.1.66. 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 0.44%. 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. Aug 21, 2026 · NIST NVD

    Detected

    Joomla Extension - yootheme.com - Unauthenticated stored XSS via user-controlled fields in Zoo < 4.1.66 - User supplied input in comments and user supplied field elements weren't escaped, leading to a stored XSS vector.

  2. Oct 15, 2026 · NIST NVD

    Updated

    Joomla Extension - yootheme.com - Unauthenticated stored XSS via user-controlled fields in Zoo < 4.1.66 - User supplied input in comments and user supplied field elements weren't escaped, leading to a stored XSS vector.

Sources

  • CVE.orgVulnerability recordCVE-2026-76612

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-76612

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-76612

    Joomla Extension - yootheme.com - Unauthenticated stored XSS via user-controlled fields in Zoo < 4.1.66 - User supplied input in comments and user supplied field elements weren't escaped, leading to a stored XSS vector.

    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.