Deserialization of untrusted data in MetaSlider Responsive Slider by MetaSlider
Priority MEDIUM 50CWE-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 MetaSlider Responsive Slider by MetaSlider ml-slider allows Object Injection.This issue affects Responsive Slider by MetaSlider: from n/a through <= 3.94.0.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00654 51st 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
- Yes
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| MetaSlider | Responsive Slider by MetaSlider | up to 3.94.0 | — | No fix listed | CNA |
- Responsive Slider by MetaSlider VendorMetaSlider Affected up to 3.94.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-26763
- 2026-10-03 Alias added: GHSA-388g-hxhw-5c6q
- 2026-10-14 EPSS moved to the 50th–90th percentile
More MetaSlider vulnerabilities
- TI-2023-01392 Responsive WordPress Slideshows 3.29.0 - Reflected XSS CVSS 3.1MEDIUM 6.1
- TI-2025-01028 Slider, Gallery, Carousel by MetaSlider < 3.95.0 - Editor+ Stored XSS CVSS 3.1LOW 3.5
- TI-2025-00901 Slider, Gallery, Carousel by MetaSlider < 3.95.0 - Editor+ Stored XSS CVSS 3.1LOW 3.5
- TI-2026-28439 WordPress Responsive Slider by MetaSlider plugin <= 3.106.0 - Remote Code Execution (RCE) vulnerability CVSS 3.1CRITICAL 9.1
- TI-2026-28441 WordPress Responsive Slider by MetaSlider plugin <= 3.106.0 - PHP Object Injection vulnerability CVSS 3.1HIGH 7.2
- TI-2026-15120 Cross-site scripting in MetaSlider Slider, Gallery, and Carousel by MetaSlider – Image… CVSS 3.1MEDIUM 6.4
Sources
- CVE-2025-26763 · CVE Program
- CVE-2025-26763 · NVD
- FIRST EPSS
- GHSA-388g-hxhw-5c6q · 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