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Public proof of conceptFix available

CVE-2021-32853

A public proof of concept exists; no exploitation attested.

  • Published2023-02-20
  • Fixed in0.22.3
  • WeaknessCWE-79

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Erxes, an experience operating system (XOS) with a set of plugins, is vulnerable to cross-site scripting in versions 0.22.3 and prior. This results in client-side code execution. The victim must follow a malicious link or be redirected there from malicious web site. There are no known patches.

Timeline

dates in UTC
  1. 2023-02-2023:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-32853?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-32853?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Erxes
BranchAffectedFixed in
0.22< 0.22.30.22.3
erxes
BranchAffectedFixed in
1.0≤ 1.0.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • npm erxes
    Affected
    • ≥ 0.22.3, ≤ 0.22.3no fix statedcustom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-03-06

Fix

  1. Update Erxes to 0.22.3

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Published
2023-02-20
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-g9ph-r9hc-34r8

Frequently asked questions

What is CVE-2021-32853?

Erxes, an experience operating system (XOS) with a set of plugins, is vulnerable to cross-site scripting in versions 0.22.3 and prior. This results in client-side code execution. The victim must follow a malicious link or be redirected there from malicious web site. There are no known patches.

Is CVE-2021-32853 actively exploited?

A proof-of-concept exploit exists for CVE-2021-32853, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2021-32853?

CVE-2021-32853 has a CVSS v3 base score of 9.6 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

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Sources for this record