CVE Explorer

CVE-2026-48822

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting (XSS) vulnerability in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside a Markdown link. The vulnerability originates in the filterProtocols method within BookmarkMarkdownFormatter.php.This method attempts to sanitize Markdown links by filtering dangerous protocols (such as javascript:) before

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7d027d353a942b4699d103b97e06cf27cc80f1cf03d09acdab246ce23634b3c9

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"Shaarli","vendor":"shaarli","versions":[{"status":"affected","version":"< 0.16.2"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:fa9273250996c8117950e6f01c9e6b60b5662e61a6037d060f641ee8c4cbc628 · sha256:3b4ff0605d5f0b54… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:fa9273250996c8117950e6f01c9e6b60b5662e61a6037d060f641ee8c4cbc628 · sha256:3b4ff0605d5f0b54… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:fa9273250996c8117950e6f01c9e6b60b5662e61a6037d060f641ee8c4cbc628 · sha256:3b4ff0605d5f0b54… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"name":"https://github.com/shaarli/Shaarli/releases/tag/v0.16.2","tags":["x_refsource_MISC"],"url":"https://github.com/shaarli/Shaarli/releases/tag/v0.16.2"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fa9273250996c8117950e6f01c9e6b60b5662e61a6037d060f641ee8c4cbc628 · sha256:3b4ff0605d5f0b54… · /containers/cna/references/1

{"tags":["exploit"],"url":"https://github.com/shaarli/Shaarli/security/advisories/GHSA-2hgr-63wv-x462"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fa9273250996c8117950e6f01c9e6b60b5662e61a6037d060f641ee8c4cbc628 · sha256:3b4ff0605d5f0b54… · /containers/adp/0/references/0

{"name":"https://github.com/shaarli/Shaarli/security/advisories/GHSA-2hgr-63wv-x462","tags":["x_refsource_CONFIRM"],"url":"https://github.com/shaarli/Shaarli/security/advisories/GHSA-2hgr-63wv-x462"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fa9273250996c8117950e6f01c9e6b60b5662e61a6037d060f641ee8c4cbc628 · sha256:3b4ff0605d5f0b54… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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