CVE-2021-34645Network attack vector

Stored script injection via forged currency settings

Published Aug 19, 2021 · Updated May 5, 2025

Stored cross-site scripting in WP EasyCart 5.1.0 and earlier allows remote attackers to persist scripts through forged currency settings. The save_currency_settings function accepts a forged settings request and persists attacker-controlled script content without establishing that the request originated from the administrator. Exploitation requires an authenticated administrator to submit the forged request, after which the stored script executes in affected administrative page contexts.

CVSS severity8.8
High
EPSS probability0.64%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stored cross-site scripting in WP EasyCart 5.1.0 and earlier allows remote attackers to persist scripts through forged currency settings. The save_currency_settings function accepts a forged settings request and persists attacker-controlled script content without establishing that the request originated from the administrator. Exploitation requires an authenticated administrator to submit the forged request, after which the stored script executes in affected administrative page contexts.

The record

CVE
CVE-2021-34645
Published
Aug 19, 2021
Updated
May 5, 2025
Vendor
WP EasyCart
Product
WP EasyCart
Classifications
CWE-352, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 19, 2021CVE publishedPublication date reported by the CVE source.
  2. May 5, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.1.0 <=5.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WP EasyCart · WP EasyCartversion=5.1.0 <=5.1.0

Published CVSS scores

8.8WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8NVDAV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo