CVE-2023-45103Network attack vector

Forced rewrite-rule flush via missing nonce validation

Published Oct 12, 2023 · Updated Apr 28, 2026

Cross-site request forgery in YAS Global Team Permalinks Customizer 2.8.2 and earlier allows remote attackers to flush rewrite rules. The post_settings function fails to verify a valid nonce before it flushes WordPress rewrite rules in response to a request. Exploitation requires an administrator logged into the affected site to follow a crafted link or otherwise submit the forged request; the documented consequence is limited to a rewrite-rule flush.

CVSS severity4.3
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in YAS Global Team Permalinks Customizer 2.8.2 and earlier allows remote attackers to flush rewrite rules. The post_settings function fails to verify a valid nonce before it flushes WordPress rewrite rules in response to a request. Exploitation requires an administrator logged into the affected site to follow a crafted link or otherwise submit the forged request; the documented consequence is limited to a rewrite-rule flush.

The record

CVE
CVE-2023-45103
Published
Oct 12, 2023
Updated
Apr 28, 2026
Vendor
YAS Global Team
Product
Permalinks Customizer
Classifications
CWE-352, CAPEC-62, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 12, 2023CVE 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=n/a <=2.8.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

YAS Global Team · Permalinks Customizerversion=n/a <=2.8.2

Published CVSS scores

4.3PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
8.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/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.

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-352Cross-Site Request Forgery (CSRF)
CAPEC-62Cross Site Request Forgery
T1204.001User Execution: Malicious Link

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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