CVE-2021-25093Public exploitNetwork attack vector

Unauthenticated link deletion via unchecked update request

Published Feb 1, 2022 · Updated Aug 3, 2024

Missing authorization in Link Library before 7.2.8 allows remote attackers to delete arbitrary WordPress links via a crafted request. The ll60reupdate query parameter reaches the link-deletion path without an authentication or capability check. No account or user interaction is required, and the demonstrated consequence is deletion of stored link-directory entries.

CVSS severity7.5
High
EPSS probability1.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Link Library before 7.2.8 allows remote attackers to delete arbitrary WordPress links via a crafted request. The ll60reupdate query parameter reaches the link-deletion path without an authentication or capability check. No account or user interaction is required, and the demonstrated consequence is deletion of stored link-directory entries.

The record

CVE
CVE-2021-25093
Published
Feb 1, 2022
Updated
Aug 3, 2024
Vendor
Community Events Project
Product
Link Library
Classifications
CWE-862, T1485
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 1, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.2.8 <7.2.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Community Events Project · Link Libraryversion=7.2.8 <7.2.8

Published CVSS scores

5.0NIST NVDAV:N/AC:L/Au:N/C:N/I:P/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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 exploitPublished

Weakness, pattern, technique

CWE-862Missing Authorization
T1485Data Destruction

Public exploit references

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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