CVE-2025-23210
Bypass XSS sanitizer using the javascript protocol and special characters in phpoffice/phpspreadsheet
No known exploitation. EPSS puts it in the 33rd percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.4% chance of exploitation activity in the next 30 days, which ranks it in the 33rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 0 days, from the signal feeds we watch.
- Patch availablepublished, weakness classified, att&ck mapped, record updated
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorAV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Scored 6.4 by bdu.
How it is reached
- Access Vector NetworkExploitable remotely over the network
- Access Complexity LowNo special conditions required
Impact if exploited
- Confidentiality L
- Integrity L
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- github.com/PHPOffice/PhpSpreadsheet/commit/cde2926a9e2baf146783f8fd1771bbed7d1dc7b3
- github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-r57h-547h-w24f
- github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-r57h-547h-w24f&
And 3 more references. See all after sign-in
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