SeaCMS err.php cross site scripting
Published Aug 31, 2026 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
SeaCMS err.php cross site scripting
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A weakness has been identified in SeaCMS up to 13.6. This affects an unknown part of the file /err.php. Executing a manipulation of the argument errtxt can lead to cross site scripting. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- VDB-397103 | SeaCMS err.php cross site scripting ↗
- VDB-397103 | CTI Indicators (IOB, IOC, TTP, IOA) ↗
- CVE-2026-82601 | CVE Analysis and Report ↗
- Submit #892786 | SeaCMS 13.6 Cross Site Scripting ↗
- Source repository ↗
Record history
Published Aug 31, 2026 · Last refreshed Nov 3, 2026