CVE-2026-102786
Joomla Extension - phoca.cz - Authenticated stored cross-site scripting through HTML attribute injection in Phoca Gallery 4.5.0 - 6.1.5
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CVSS v3.1 (listed by NVD)
—
Not scored
CVSS v4.0 (listed by NVD)
8.6
HIGH
Scored by joomla.org (not yet scored by NVD)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS (listed by CVE.org)
8.6
HIGH
Scored by CNA (Joomla) · v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
EPSS exploit probability
0.4%
Percentile 37.6%
as of 2026-10-24
CISA KEV
—
Not listed
Attack conditions and impact
Derived from the CNA (via NVD) CVSS 4.0 vector
NetworkNo authActive action
Confidentiality HIntegrity HAvailability L
| Metric | Value | Meaning |
|---|---|---|
| Attack vector AV | N | Network |
| Attack complexity AC | L | Low (easy) |
| Attack requirements AT | N | None |
| Privileges required PR | N | None |
| User interaction UI | A | Active |
| Confidentiality (vulnerable system) VC | H | High |
| Integrity (vulnerable system) VI | H | High |
| Availability (vulnerable system) VA | L | Low |
| Confidentiality (subsequent systems) SC | N | None |
| Integrity (subsequent systems) SI | N | None |
| Availability (subsequent systems) SA | N | None |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description
NVD
Joomla Extension - phoca.cz - Authenticated stored cross-site scripting through HTML attribute injection in Phoca Gallery 4.5.0 - 6.1.5
CVSS assessments
| Provider | Version | Score | Vector |
|---|---|---|---|
| NVD / [email protected] (Secondary) | 4.0 | 8.6 HIGH | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA / Joomla | 4.0 | 8.6 HIGH | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N |
Affected products and packages
CNA (CVE.org)
| Vendor | Product | Versions |
|---|---|---|
| phoca.cz | Phoca Gallery extension for Joomla | affected: 4.5.0-6.1.5 default: unaffected |
Linux distribution status
References (1)
- https://www.phoca.cz/ NVD, CNA product