CVE-2026-32986
MEDIUM EPSS 5.6%
Published Mar 20, 20263mo ago · Modified Jun 17, 20262w ago
5.1 CVSS 4.0
Published Mar 20, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago
Description
Textpattern CMS version 4.9.0 contains a second-order cross-site scripting vulnerability that allows attackers to inject malicious scripts by exploiting improper sanitization of user-supplied input in Atom feed XML elements. Attackers can embed unescaped payloads in parameters such as category that are reflected into Atom fields like and , which execute as JavaScript when feed readers or CMS aggregators consume the feed and insert content into the DOM using unsafe methods.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction A
Scope X
Threat Intelligence
EPSS Exploit Probability
5.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 2
CWE-116
CWE-79 Cross-site Scripting Injection
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| textpattern | textpattern | 4.9.0 | any |
References 2
- packetstorm.news https://packetstorm.news/files/id/216241/
- textpattern.com https://textpattern.com/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.