CVE-2023-0992 in the critical feed json
Shield Security <= 17.0.17 - Unauthenticated Stored Cross-Site Scripting
published 2023-06-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12977
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 93.0%
- EPSS 93.0% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 0
- none known
Summary
The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Patch / fix
- paultgoodchild Shield: Blocks Bots, Protects Users, and Prevents Security Breaches 17.0.18
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 22 mo ago
Exploit prediction
93.05% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- paultgoodchild Shield: Blocks Bots, Protects Users, and Prevents Security Breaches
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset?sfp_email=&sfph_mail=&reponame=&new=2883864%40wp-simple-firewall%2Ftrunk&old=2883536%40wp-simple-fi
patch
-
wordfence.com
/threat-intel/vulnerabilities/id/162dff28-94ea-4a47-a6cb-a13317cf1a04?source=cve
third-party-advisory
-
wordpress.org
/plugins/wp-simple-firewall/#developers
product
- wordfence.com /blog/2023/04/multiple-vulnerabilities-patched-in-shield-security/
Sources
- CVE List CVE-2023-0992
- NVD CVE-2023-0992
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.