Reflected Cross Site Scripting (XSS) in error message

published 2025-01-23 last yr. modified 2025-01-23 last yr.

cvss: —; not scored
cisa kev: Not listed; not in CISA's catalog
epss: —; no score, EPSS covers CVEs only
public exploits: 0; none known

If a website has been set to the "dev" environment mode, a URL can be provided which includes an XSS payload which will be executed in the resulting error message.

Patch / fix

fixed in 1

packagist silverstripe/framework 5.3.8

Is GHSA-74j9-xhqr-6qv3 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Affected packages

ecosystem	package	affected	fixed in
packagist	silverstripe/framework	<5.3.8	5.3.8

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

GitHub Advisory GHSA-74j9-xhqr-6qv3

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.