CVE-2023-27420Network attack vector

Unauthenticated reflected XSS via undisclosed request input

Published Jun 16, 2023 · Updated Apr 28, 2026

Reflected XSS in Everest Themes Arya Multipurpose 1.0.5 and earlier allows remote attackers to execute script via a crafted request. Public records do not identify the affected parameter, code locus, or exact operation that reflects request input into the response. Exploitation requires no account but requires a victim to open the crafted request, after which script runs in the site's browser context.

CVSS severity7.1
High
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Everest Themes Arya Multipurpose 1.0.5 and earlier allows remote attackers to execute script via a crafted request. Public records do not identify the affected parameter, code locus, or exact operation that reflects request input into the response. Exploitation requires no account but requires a victim to open the crafted request, after which script runs in the site's browser context.

The record

CVE
CVE-2023-27420
Published
Jun 16, 2023
Updated
Apr 28, 2026
Vendor
Everest Themes
Product
Arya Multipurpose
Classifications
CWE-79, CAPEC-591, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 16, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record 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=n/a <=1.0.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Everest Themes · Arya Multipurposeversion=n/a <=1.0.5

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1189Drive-by Compromise

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

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Your stack

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