CVE-2021-33904

MEDIUM NUCLEI

Accela Civic Platform < 21.1 - Cross-Site Scripting via servProvCode Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-33904. PoCs published by Abdulazeez Alaseeri. A Nuclei detection template is also available.

AI-analyzed exploit summary This exploit demonstrates a reflected XSS vulnerability in Accela Civic Platform <= 21.1 via the 'servProvCode' parameter. The payload injects JavaScript into the URL, triggering an alert dialog when executed.

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.

Exploits (1)

exploitdb WORKING POC
by Abdulazeez Alaseeri · textwebappsmultiple
https://www.exploit-db.com/exploits/49980

This exploit demonstrates a reflected XSS vulnerability in Accela Civic Platform <= 21.1 via the 'servProvCode' parameter. The payload injects JavaScript into the URL, triggering an alert dialog when executed.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Accela Civic Platform <= 21.1
No auth needed
Prerequisites: Access to the target application
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

Accela Civic Platform <=21.1 - Cross-Site Scripting
MEDIUMby geeknik

References (2)

Core 2
Core References

Scores

CVSS v3 6.1
EPSS 0.1005
EPSS Percentile 95.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
accela/civic_platform < 21.1
Published Jun 07, 2021
Tracked Since Feb 18, 2026