WordPress newseqo theme <= 2.1.1 - Stored Cross Site Scripting (XSS) vulnerability
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in themefunction newseqo allows Stored XSS.This issue affects newseqo: from n/a through 2.1.1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00368 30th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| themefunction | newseqo | up to 2.1.1 | — | No fix listed | CNA |
- newseqo Vendorthemefunction Affected up to 2.1.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-26739
- 2026-10-03 Alias added: GHSA-ccxp-4v4f-798f
More themefunction vulnerabilities
- TI-2025-32781 Missing authorization in themefunction WordPress Event Manager, Event Calendar and… CVSS 3.1HIGH 7.5
- TI-2025-32780 Cross-site scripting in themefunction WordPress Event Manager, Event Calendar and Booking… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2025-26739 · CVE Program
- CVE-2025-26739 · NVD
- FIRST EPSS
- GHSA-ccxp-4v4f-798f · 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