CVE-2021-33904

MEDIUM

Published Jun 7, 20215y ago · Modified Jun 17, 20262w ago

6.1 CVSS 3.1

Medium

Published Jun 7, 2021 5y ago

Last Modified Jun 17, 2026 2w ago

Description

In Accela Civic Platform through 21.1, the security/hostSignon.do parameter servProvCode is vulnerable to XSS. NOTE: The vendor states "there are configurable security flags and we are unable to reproduce them with the available information.

CVSS Details

Base Score

6.1

Exploitability

2.8

Impact

2.7

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction Required

Scope Changed

Confidentiality Low

Integrity Low

Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

Vendor	Product	Version	Range
accela	civic_platform	*	≤21.1

References 2

packetstormsecurity.com http://packetstormsecurity.com/files/163093/Accela-Civic-Platorm-21.1-Cross-Site-Scripting.html

ExploitThird Party AdvisoryVDB Entry
gist.github.com https://gist.github.com/0xx7/3d934939d7122fe23db11bc48eda9d21

Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.