# CVE-2026-93956 — olivier-ls PHP-FTS

> As of 2026-09-19, CVE-2026-93956 is a LOW-severity vulnerability in olivier-ls PHP-FTS, CVSS v3.1 3.5, EPSS 0.2% (15.0th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-93956 as of 2026-09-19; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-19

## What is CVE-2026-93956?

A flaw has been found in olivier-ls PHP-FTS up to 1.1.2. Affected by this issue is the function SearchEngine::buildHighlights of the file src/SearchEngine.php of the component Search Engine. Executing a manipulation of the argument Query can lead to cross site scripting. The attack may be launched remotely. The exploit has been published and may be used. Upgrading to version 1.1.3 can resolve this issue. This patch is called 0b2fae333d6b022da7ed4c43e2d41aa03f91dff3. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

The record classifies CVE-2026-93956 under weakness classes [CWE-79](https://intel.threadlinqs.com/cwe/CWE-79), [CWE-94](https://intel.threadlinqs.com/cwe/CWE-94). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 16 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 3.5 — LOW (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C`)
- **CVSS v4.0 base score:** 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 15.0% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 2.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-19

## Is CVE-2026-93956 being exploited?

It currently carries a trending score of 34 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **olivier-ls**: PHP-FTS

## How to fix CVE-2026-93956

No vendor patch reference has been recorded for CVE-2026-93956 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-93956

No threat campaign in the Threadlinqs corpus currently references CVE-2026-93956, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-09-20.

**Vendor advisory and patch**

- [github.com — patch](https://github.com/olivier-ls/php-fts/commit/0b2fae333d6b022da7ed4c43e2d41aa03f91dff3)
- [github.com — patch (tags)](https://github.com/olivier-ls/php-fts/tags)

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/sumo166/CVE-apply/blob/main/olivier-ls/PHP-FTS/SearchEngine%20buildHighlights%20Stored%20XSS%20(CWE-79)_cve.md)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/407915)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/407915/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-93956)
- [vuldb.com — third party advisory (943922)](https://vuldb.com/submit/943922)

**Issue tracking and product pages**

- [github.com — issue tracking](https://github.com/olivier-ls/php-fts/issues/1)
- [github.com — product](https://github.com/olivier-ls/php-fts/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-93956
Full detection coverage and IOCs for threats exploiting CVE-2026-93956 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp