CVE-2025-23210: medium-severity vulnerability in PHPOffice PhpSpreadsheet
Bypass XSS sanitizer using the javascript protocol and special characters in phpoffice/phpspreadsheet
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.4%
exploitation probability
0.4%top 66% of all CVEs
observed exploitation
nono source reports it
phpoffice/phpspreadsheet is a pure PHP library for reading and writing spreadsheet files. Affected versions have been found to have a Bypass of the Cross-site Scripting (XSS) sanitizer using the javascript protocol and special characters. This issue has been addressed in versions 3.9.0, 2.3.7, 2.1.8, and 1.29.9. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Affected products
PHPOffice · PhpSpreadsheetRelated CVEs — PHPOffice PhpSpreadsheet
In the same product, most dangerous first.
CVE-2024-45293HIGHXML External Entity Reference (XXE) in PHPSpreadsheet's XLSX readerEPSS 2.8%CVE-2024-45291MEDIUMPath traversal and Server-Side Request Forgery in HTML writer when embedding images is enabled in PHPSpreadsheetEPSS 0.9%CVE-2025-54370HIGHPhpSpreadsheet vulnerable to SSRF when reading and displaying a processed HTML document in the browserEPSS 0.8%CVE-2026-34084CRITICALPhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFactory::loadEPSS 0.8%CVE-2024-47873HIGHPhpSpreadsheet XmlScanner bypass leads to XXEEPSS 0.7%CVE-2024-48917HIGHXXE in PHPSpreadsheet's XLSX readerEPSS 0.7%