CVE-2022-1266Public exploitNetwork attack vector

Administrator-level stored XSS via unescaped Header Title

Published Jun 20, 2022 · Updated Aug 2, 2024

Stored XSS in wpWax Post Grid, Slider & Carousel Ultimate before 1.5.0 allows remote authenticated users to inject script via Header Title. The plugin stores the Header Title setting and renders it in a published grid or carousel without sanitizing the input or escaping the output. Administrator-level access is required, but the flaw bypasses the unfiltered_html restriction and executes the payload in visitors' browser sessions.

CVSS severity5.5
Medium
EPSS probability0.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in wpWax Post Grid, Slider & Carousel Ultimate before 1.5.0 allows remote authenticated users to inject script via Header Title. The plugin stores the Header Title setting and renders it in a published grid or carousel without sanitizing the input or escaping the output. Administrator-level access is required, but the flaw bypasses the unfiltered_html restriction and executes the payload in visitors' browser sessions.

The record

CVE
CVE-2022-1266
Published
Jun 20, 2022
Updated
Aug 2, 2024
Vendor
wpWax
Product
Post Grid, Slider & Carousel Ultimate
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jun 20, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record 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=1.5.0 <1.5.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

wpWax · Post Grid, Slider & Carousel Ultimateversion=1.5.0 <1.5.0

Published CVSS scores

5.5WordfenceCVSS:3.1/AV:N/AC:L/PR:H/UI:N/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

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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