CVE-2023-23313: draytek vigor1000b_firmware Cross-site Scripting
Vulnerability summary
CVE-2023-23313 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in draytek vigor1000b_firmware. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.1% of scored vulnerabilities.
Timeline
- 03-03-2023PublishedVulnerability first disclosed.
- 07-03-2025Last modifiedVulnerability information updated.
Description
Certain Draytek products are vulnerable to Cross Site Scripting (XSS) via the wlogin.cgi script and user_login.cgi script of the router's web application management portal. This affects Vigor3910, Vigor1000B, Vigor2962 v4.3.2.1; Vigor2865 and Vigor2866 v4.4.1.0; Vigor2927 v4.4.2.2; and Vigor2915, Vigor2765, Vigor2766, Vigor2135 v4.4.2.0; Vigor2763 v4.4.2.1; Vigor2862 and Vigor2926 v3.9.9.0; Vigor2925 v3.9.3; Vigor2952 and Vigor3220 v3.9.7.3; Vigor2133 and Vigor2762 v3.9.6.4; and Vigor2832 v3.9.6.2.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
28%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.36% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Draytek91 products
- vigor1000b_firmware< 4.3.2.2
- vigor130_firmware< 3.8.5.1
- vigor165_firmware< 4.2.4.1
- vigor166_firmware< 4.2.4.1
- vigor2133_firmware< 3.9.6.5
1 vendor · 91 products