CVE-2026-78477Network attack vector

Unauthenticated administrator access

Published Aug 25, 2026 · Updated Aug 25, 2026

Incorrect privilege assignment in MVP Themes Jawn 1.4.2 and earlier allows remote attackers to obtain WordPress administrator privileges. Published advisories do not identify the affected function or disclose the operation that incorrectly assigns administrator privileges. The flaw is reachable without authentication over the network, and successful exploitation grants administrative control of the WordPress site.

CVSS severity9.8
Critical
EPSS probabilityUnavailable
No score available in this record
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Incorrect privilege assignment in MVP Themes Jawn 1.4.2 and earlier allows remote attackers to obtain WordPress administrator privileges. Published advisories do not identify the affected function or disclose the operation that incorrectly assigns administrator privileges. The flaw is reachable without authentication over the network, and successful exploitation grants administrative control of the WordPress site.

The record

CVE
CVE-2026-78477
Published
Aug 25, 2026
Updated
Aug 25, 2026
Vendor
MVP Themes
Product
Jawn
Classifications
CWE-266
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 25, 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=0 <=1.4.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MVP Themes · Jawnversion=0 <=1.4.2

Published CVSS scores

9.8WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

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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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-266Incorrect Privilege Assignment

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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