WordPress Flexmls® IDX Plugin Plugin <= 3.14.27 - PHP Object Injection vulnerability
Priority MEDIUM 43CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
Deserialization of Untrusted Data vulnerability in flexmls Flexmls® IDX flexmls-idx allows Object Injection.This issue affects Flexmls® IDX: from n/a through <= 3.14.27.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00603 49th 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-26900
- 2026-10-03 Alias added: GHSA-xw96-38mm-h5jg
More flexmls vulnerabilities
- TI-2026-20487 WordPress Flexmls® IDX plugin <= 3.15.9 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
- TI-2025-00731 Flexmls® IDX <= 3.14.27 - Authenticated (Contributor+) Stored Cross-Site Scripting CVSS 3.1MEDIUM 6.4
- TI-2024-09775 Flexmls® IDX Plugin <= 3.14.26 - Authenticated (Contributor+) Stored Cross-Site Scripting via API parameters CVSS 3.1MEDIUM 6.4
- TI-2024-08088 Flexmls® IDX Plugin <= 3.14.22 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
- TI-2025-41339 WordPress Flexmls® IDX plugin <= 3.15.7 - Open Redirection vulnerability CVSS 3.1MEDIUM 4.7
Sources
- CVE-2025-26900 · CVE Program
- CVE-2025-26900 · NVD
- FIRST EPSS
- GHSA-xw96-38mm-h5jg · 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