TI-2026-18966 Aliases CVE-2026-23544 GHSA-xprw-mh67-9xf5

WordPress Valenti theme <= 5.6.3.5 - PHP Object Injection vulnerability

MEDIUM 40CWE-502Published 2026-02-19 · Updated 2026-04-28

Key facts

Attack vector: Network
Privileges required: Low
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 codetipi Valenti valenti allows Object Injection.This issue affects Valenti: from n/a through <= 5.6.3.5.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00409 35th 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: 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
codetipi	Valenti	up to 5.6.3.5	—	No fix listed	CNA

Valenti Vendorcodetipi Affected up to 5.6.3.5 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-23544
2026-10-03 Alias added: GHSA-xprw-mh67-9xf5

References

Other 1

https://patchstack.com/database/Wordpress/Theme/valenti/vulnerability/wordpress-valenti-theme-5-6-3-5-php-object-injection-vulnerability?_s_id=cve

TI-2020-18746 15Zine < 3.3.0 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
TI-2025-39169 WordPress Valenti Engine plugin <= 1.0.3 - Cross Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences