Vulnerability · Published Oct 21, 2026 · Assigned by VulnCheck

CVE-2026-114404PHPPresentation 1.2.0 XSS via Writer\HTML Text Runs, Hyperlinks and Descriptions

Medium 6.1

In plain English

A medium-severity cross-site scripting in PHPPresentation from PHPOffice. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.3%top 82.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

PHPOffice PHPPresentation 1.2.0 contains a cross-site scripting vulnerability in the HTML writer that allows attackers who supply presentation content to inject script into generated HTML. Attackers can craft a PPTX with malicious text runs, hyperlink relationship targets, or shape descr attributes that are emitted unescaped, executing script in viewers' browsers.

Affected products (as reported)

Vendor	Product	Versions
PHPOffice	PHPPresentation	1.2.0 – through 1.2.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

https://hackmd.io/@leediay/multiple_vulnerable_phppresentation third-party-advisory
https://github.com/PHPOffice/PHPPresentation/blob/1.2.0/src/PhpPresentation/Writer/HTML.php#L307-L330 technical-description
https://github.com/PHPOffice/PHPPresentation product
VulnCheck Advisory: PHPPresentation 1.2.0 XSS via Writer\HTML Text Runs, Hyperlinks and Descriptions third-party-advisory