CVE-2022-25601Network attack vector

Script execution via reflected tab parameter

Published Mar 11, 2022 · Updated Apr 28, 2026

Reflected XSS in Jeff Starr Contact Form X 2.4 and earlier allows remote attackers to execute script via the tab parameter. The public record identifies tab as the affected request parameter but does not disclose the handler or exact output-encoding failure. Exploitation requires a victim to open a crafted URL, after which attacker-supplied script runs in that victim's browser under the site's origin.

CVSS severity4.7
Medium
EPSS probability1.02%
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 Jeff Starr Contact Form X 2.4 and earlier allows remote attackers to execute script via the tab parameter. The public record identifies tab as the affected request parameter but does not disclose the handler or exact output-encoding failure. Exploitation requires a victim to open a crafted URL, after which attacker-supplied script runs in that victim's browser under the site's origin.

The record

CVE
CVE-2022-25601
Published
Mar 11, 2022
Updated
Apr 28, 2026
Vendor
Jeff Starr
Product
Contact Form X
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 11, 2022CVE 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

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Is a vulnerable build present?

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

  1. Affected versionversion=<= 2.4 <=2.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Jeff Starr · Contact Form Xversion=<= 2.4 <=2.4

Published CVSS scores

4.7PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/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')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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