WordPress LMS theme vulnerable to unauthenticated XSS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Unauthenticated Cross Site Scripting (XSS) in the LMS WordPress theme, versions through 8.3, tracked as CWE-79. The flaw is rated HIGH with a CVSS 3.1 base score of 7.1. CISA's SSVC data marks automatable as no and technical impact as partial, and the sources list no fixed version. The vulnerability is not in CISA KEV and no exploit link is given in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Unauthenticated Cross Site Scripting (XSS) in LMS <= 8.3 versions.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| designthemes | LMS | up to 8.3 | — | No fix listed | CNA |
- LMS Vendordesignthemes Affected up to 8.3 Fixed in — No fix listed CNA
Remediation
No fixed version is listed for the LMS theme by designthemes. Restrict access to affected sites or remove the theme until a fixed release is available, and check the vendor for an update.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-11 Threatist record created from CVE-2026-78532
- 2026-10-11 Alias added: GHSA-29c3-gqwg-r9fm
References
More designthemes vulnerabilities
- TI-2024-12814 VEDA - MultiPurpose WordPress Theme <= 4.2 - Authenticated (Subscriber+) PHP Object Injection CVSS 3.1CRITICAL 9.8
- TI-2026-21805 WordPress WeDesignTech Ultimate Booking Addon plugin <= 1.0.1 - Account Takeover vulnerability CVSS 3.1CRITICAL 9.8
- TI-2025-37581 WordPress Kriya theme <= 3.4 - PHP Object Injection Vulnerability CVSS 3.1HIGH 8.8
- TI-2025-32883 WordPress LMS theme <= 9.2 - SQL Injection Vulnerability CVSS 3.1CRITICAL 9.3
- TI-2026-22325 WordPress LMS Elementor Pro plugin <= 1.0.4 - Privilege Escalation vulnerability CVSS 3.1CRITICAL 9.8
- TI-2025-12372 DesignThemes LMS <= 1.0.4 - Unauthenticated Privilege Escalation CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-78532 · CVE Program
- CVE-2026-78532 · NVD
- FIRST EPSS
- GHSA-29c3-gqwg-r9fm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences