Activity Log <= 2.8.3 — CSV Injection
CVE-2022-27858Published · Updated Action summary
Affected: ≤2.8.3Update to 2.8.4 or newer
All remediation steps- Severity
- High8.3
- CVSS
- 8.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:LWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:CScope- Changed
C:LConfidentiality- Low
I:LIntegrity- Low
A:LAvailability- Low
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Activity Log – Monitor User and Agent Changes aryo-activity-log
- Affected≤ 2.8.3
- Patched in2.8.4
Update to 2.8.4 or newer.
You are affected if you run ≤ 2.8.3. Version 2.8.4 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Activity Log – Monitor User and Agent Changes.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 2.8.4, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Activity Log – Monitor User and Agent Changes to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Universe.
The Activity Log plugins for WordPress is vulnerable to CSV Injection in versions up to, and including, 2.8.3. This allows unauthenticated attackers to embed untrusted input into exported CSV files, which can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Activity Log – Monitor User and Agent Changes
All 10| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Cross-Site Request Forgery ≤2.13.1Update to 2.14.0 | CVE-2026-84759 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Event Context ≤2.11.1Update to 2.11.2 | CVE-2024-10788 | |
| Medium5.3 | IP Address Spoofing ≤2.8.7Update to 2.8.8 | CVE-2023-4281 | |
| High8.8 | 2.6.1 - SQL Injection 2.3.5 – 2.6.1Update to 2.7.0 | — | |
| Medium6.1 | Multiple Cross-Site Scripting ≤2.4.0Update to 2.4.1 | CVE-2018-8729 |
- Medium4.3Cross-Site Request Forgery
≤2.13.1Update to 2.14.0
- High7.2Unauthenticated Stored Cross-Site Scripting via Event Context
≤2.11.1Update to 2.11.2
- Medium5.3IP Address Spoofing
≤2.8.7Update to 2.8.8
- High8.82.6.1 - SQL Injection
2.3.5 – 2.6.1Update to 2.7.0
- Medium6.1Multiple Cross-Site Scripting
≤2.4.0Update to 2.4.1
Timeline
CVE published
Severity high, CVSS 8.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.