CVE-2023-5057
MEDIUMCVSS 5.4/10EPSS 0.42%
Last modified
CVE-2023-5057 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks. EPSS estimates a 0.42% chance of exploitation in the next 30 days.
Description
The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Automattic | Activitypub | < 1.0.0 |
References
- https://wpscan.com/vulnerability/58a63507-f0fd-46f1-a80c-6b1c41dddcf5Exploit, Third Party Advisory
- https://wpscan.com/vulnerability/58a63507-f0fd-46f1-a80c-6b1c41dddcf5Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-5057?
The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks
How severe is CVE-2023-5057?
CVE-2023-5057 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.
How do I fix CVE-2023-5057?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-5057?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST