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Coppermine Photo Gallery CVE-2026-82483

| EUVDEUVD-2026-68170 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-08-30 cna@vuldb.com GHSA-2mv6-fvg7-6f57
PHP XSS
2.0
CVSS 4.0 · Vendor: vuldb

Severity by source

Vendor (vuldb) PRIMARY
2.0 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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
vuln.today AI
5.4 MEDIUM

Stored XSS with PR:L (authenticated injector), UI:R (victim views page), S:C (script executes in victim browser scope), C:L/I:L for session/content impact.

3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (vuldb).

CVSS VectorVendor: vuldb

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
P
Scope
X

Lifecycle Timeline

3
CVE Published
Aug 31, 2026 - 10:50 cve.org
LOW 2.0
Source Code Evidence Fetched
Aug 30, 2026 - 08:31 vuln.today
Analysis Generated
Aug 30, 2026 - 08:31 vuln.today

DescriptionCVE.org

A vulnerability was detected in coppermine-gallery Coppermine Photo Gallery up to 1.6.28. This impacts an unknown function of the file db_input.php of the component Hidden Album Update Endpoint. The manipulation results in cross site scripting. The attack can be launched remotely. The exploit is now public and may be used. Upgrading to version 1.6.29 will fix this issue. It is recommended to upgrade the affected component.

AnalysisAI

Stored cross-site scripting in Coppermine Photo Gallery up to 1.6.28 allows an authenticated attacker to inject persistent malicious scripts via the Hidden Album Update Endpoint in db_input.php, which execute in the browsers of other users who view the affected album. The public proof-of-concept (stored_xss_album_desc.md on GitHub) confirms exploitation via the album description field. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Vulnerability AssessmentAI

Exploitation The attacker must hold a valid low-privilege account on the Coppermine Photo Gallery instance (PR:L in the CVSS 4.0 vector), meaning open user registration or compromised credentials are prerequisite. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The vendor-assigned CVSS 4.0 score of 2.0 is low, reflecting the limited direct server-side impact (VC:N/VA:N/VI:L). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade Coppermine Photo Gallery to version 1.6.29, which is confirmed to address this vulnerability per the official release notes citing 'minor vulnerabilities mitigation' (https://github.com/coppermine-gallery/cpg1.6.x/releases/tag/v1.6.29). … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-82483 vulnerability details – vuln.today
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