Medium severity · published Oct 21, 2026
CVE-2026-114404
PHPPresentation 1.2.0 XSS via Writer\HTML Text Runs, Hyperlinks and Descriptions
6.1
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHPPresentation · PHPOffice
1.2.0 through 1.2.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-114404
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-114404
github.com
https://github.com/PHPOffice/PHPPresentation
github.com
https://github.com/PHPOffice/PHPPresentation/blob/1.2.0/src/PhpPresentation/Writer/HTML.php#L307-L330
hackmd.io
https://hackmd.io/@leediay/multiple_vulnerable_phppresentation
www.vulncheck.com
https://www.vulncheck.com/advisories/phppresentation-1.2.0-xss-via-writer-html-text-runs-hyperlinks-and-descriptions
More from PHPPresentation
8.1
CVE-2026-114403
PHPOffice PHPPresentation through 1.2.0 Deserialization via Reader\Serialized::load