CVE-2026-57755Network attack vector

Contributor-level browser script execution via undisclosed input handling

Published Jul 2, 2026 · Updated Jul 2, 2026

XSS in Misbah WP Mosaic Gallery – Advanced Gallery 1.2.0 and earlier allows remote authenticated users to inject scripts via an undisclosed vector. Patchstack has not disclosed the affected parameter, code locus, or missing neutralization operation that permits the injection. Contributor access and interaction by another user are required; injected code executes in that visitor's browser with that visitor's privileges.

CVSS severity6.5
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XSS in Misbah WP Mosaic Gallery – Advanced Gallery 1.2.0 and earlier allows remote authenticated users to inject scripts via an undisclosed vector. Patchstack has not disclosed the affected parameter, code locus, or missing neutralization operation that permits the injection. Contributor access and interaction by another user are required; injected code executes in that visitor's browser with that visitor's privileges.

The record

CVE
CVE-2026-57755
Published
Jul 2, 2026
Updated
Jul 2, 2026
Vendor
Misbah WP
Product
Mosaic Gallery – Advanced Gallery
Classifications
CWE-79, CAPEC-592, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 2, 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=n/a <=1.2.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Misbah WP · Mosaic Gallery – Advanced Galleryversion=n/a <=1.2.0

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 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
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

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Your stack

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