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Critical 10.0Published Oct 22, 2026

CVE-2026-102785Joomla Extension - yootheme.com - Unauthenticated remote code execution in YOOtheme Pro 5.0.0-5.0.55

Updated under an hour ago ()

Does this affect you?

It affects yootheme.com YOOtheme Pro extension for Joomla. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Joomla Extension - yootheme.com - Unauthenticated remote code execution in YOOtheme Pro 5.0.0-5.0.52 - YOOtheme Pro’s publicly accessible image transformation handler incompletely binds normalized image operations and the output destination to its request signature. An unauthenticated remote attacker can reuse a signature disclosed in a legitimate public image URL, inject additional image operations, traverse out of the intended cache directory, and write an attacker-controlled PNG/PHP polyglot to an executable public media directory.

CVSS
10.0 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y
Weakness (CWE)
CWE-434
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Joomla
NVD analysis
Received
Record last updated
Oct 22, 2026
First seen by InfoSec Signals
Oct 22, 2026

Affected products

Affected products
yootheme.com YOOtheme Pro extension for Joomla
yootheme.com:yootheme_pro_extension_for_joomla (from the name)
5.0.0-5.0.52
CNA record

References

  • product

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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CVE-2026-102785: Joomla Extension - yootheme.com - Unauthenticated remote code execution in YOOtheme Pro 5.0.0-5.0.55 | InfoSec Signals