What’s Vulnerable › Vulnerabilities

CVE-2021-21319: Several stored XSS

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-25 · updated 2026-06-17
• Weakness: CWE-79

Description

Galette is a membership management web application geared towards non profit organizations. In versions prior to 0.9.5, malicious javascript code can be stored to be displayed later on self subscription page. The self subscription feature can be disabled as a workaround (this is the default state). Malicious javascript code can be executed (not stored) on login and retrieve password pages. This issue is patched in version 0.9.5.

Affected products

• galette: before 0.9.5 — fixed in 0.9.5

How to fix

Upgrade to a fixed version: galette 0.9.5. Check the vendor advisory for mitigations.

References

• https://bugs.galette.eu/issues/1535
• https://github.com/galette/galette/commit/514418da973ae5b84bf97f94bd288a41e8e3f0a6
• https://github.com/galette/galette/commit/8f3bdd9f7d0708466e011253064a867ca2b271a5
• https://github.com/galette/galette/commit/f54b2570615d38d0302e937079233e52c2d80995
• https://github.com/galette/galette/security/advisories/GHSA-vjc9-mj44-x59q
• https://bugs.galette.eu/issues/1535
• https://github.com/galette/galette/commit/514418da973ae5b84bf97f94bd288a41e8e3f0a6
• https://github.com/galette/galette/commit/8f3bdd9f7d0708466e011253064a867ca2b271a5
• https://github.com/galette/galette/commit/f54b2570615d38d0302e937079233e52c2d80995
• https://github.com/galette/galette/security/advisories/GHSA-vjc9-mj44-x59q

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