The Design Chemical Social Network Tabs plugin 1.7.1 for WordPress allows remote attackers to discover Twitter access_token, access_token_secret, consumer_key, and consumer_secret values by reading the dcwp_twitter.php source code. This leads to Twitter account takeover.
Conclusion & alert: CVE-2018-20555 is rated High Exploit Risk (82.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 10.40%, 95th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 43.32% | 10.40% | -32.92% |
| 2 | 2026-06-04 | 45.38% | 43.32% | -2.06% |
| 3 | 2026-03-04 | — | 45.38% | — |
Full EPSS history (45 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| designchemical | social_network_tabs | 1.7.1 | cpe:2.3:a:designchemical:social_network_tabs:1.7.1:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| https://github.com/fs0c131y/CVE-2018-20555 | Exploit Third Party Advisory |
| https://twitter.com/fs0c131y/status/1085828186708066304 | Exploit Third Party Advisory |
| https://wpvulndb.com/vulnerabilities/9204 | Exploit Third Party Advisory |