CVE-2022-0268Network attack vector

Stored JavaScript execution via escaped-colon filter bypass

Published Jan 25, 2022 · Updated Aug 2, 2024

Stored XSS in GetGrav Grav before 1.7.28 allows remote authenticated users to run arbitrary JavaScript in a viewer's browser. The Security::detectXss invalid_protocols regex recognizes literal colons after dangerous URI schemes but misses an HTML-entity-escaped &#58 sequence. A low-privilege account must create a crafted page, and the payload runs only when another user views the stored content.

CVSS severity5.7
Medium
EPSS probability1.42%
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 GetGrav Grav before 1.7.28 allows remote authenticated users to run arbitrary JavaScript in a viewer's browser. The Security::detectXss invalid_protocols regex recognizes literal colons after dangerous URI schemes but misses an HTML-entity-escaped &#58 sequence. A low-privilege account must create a crafted page, and the payload runs only when another user views the stored content.

The record

CVE
CVE-2022-0268
Published
Jan 25, 2022
Updated
Aug 2, 2024
Vendor
GetGrav
Product
Grav
Classifications
CWE-79, CAPEC-592, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 25, 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=unspecified <1.7.28

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GetGrav · Gravversion=unspecified <1.7.28

Published CVSS scores

5.7GitHub Advisory DatabaseCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:H/A:L

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1059.007Command and Scripting Interpreter JavaScript/JScript

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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