CVE-2025-31780Network attack vector

Settings changes via missing nonce validation

Published Apr 1, 2025 · Updated Apr 28, 2026

CSRF in Andy Stratton Append Content 2.1.1 and earlier allows remote attackers to change plugin settings through a crafted request. The plugin settings function accepts state-changing requests without valid WordPress nonce verification. An administrator must open an attacker-controlled link while authenticated, after which the submitted request changes the plugin configuration.

CVSS severity6.5
Medium
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CSRF in Andy Stratton Append Content 2.1.1 and earlier allows remote attackers to change plugin settings through a crafted request. The plugin settings function accepts state-changing requests without valid WordPress nonce verification. An administrator must open an attacker-controlled link while authenticated, after which the submitted request changes the plugin configuration.

The record

CVE
CVE-2025-31780
Published
Apr 1, 2025
Updated
Apr 28, 2026
Vendor
Andy Stratton
Product
Append Content
Classifications
CWE-862, CAPEC-180, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 1, 2025CVE 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=0 <=2.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Andy Stratton · Append Contentversion=0 <=2.1.1

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
4.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/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-862Missing Authorization
CAPEC-180Exploiting Incorrectly Configured Access Control Security Levels
T1204.001Malicious Link

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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