CVE-2025-5138: Bitwarden PDF File cross site scripting

Severity: low (CVSS 3.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-25 · updated 2026-06-17
Weakness: CWE-79

Description

A vulnerability was found in Bitwarden up to 2.25.1. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component PDF File Handler. The manipulation leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Bitwarden: 2.25.0, 2.25.1

References

https://github.com/YZS17/CVE/blob/main/PDF%20XSS%20vulnerability%20in%20file%20upload%20function%20of%20%20Bitwarden.md
https://vuldb.com/?ctiid.310219
https://vuldb.com/?id.310219
https://vuldb.com/?submit.572263

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