CVE-2026-24476

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.4 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 96% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Shaarli is a personal bookmarking service. Prior to version 0.16.0, crafting a malicious tag which starting with " prematurely ends the `` tag on the start page and allows an attacker to add arbitrary html leading to a possible XSS attack. Version 0.16.0 fixes the issue.

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity54% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

January 26, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Aug 9, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github.
github Patch Available🟡 PoC Available

Stored XSS via Suggested Tags · Advisory · shaarli/Shaarli · GitHub

https://github.com/shaarli/Shaarli/security/advisories/GHSA-g3xq-mj52-f8pg
github_commit Patch Available

commit b854c789289c (shaarli/Shaarli)

Patch available: shaarli/Shaarli v0.16.0 (contains commit b854c789289c)

https://github.com/shaarli/Shaarli/commit/b854c789289c4b0dfbb7c1e5793bae7d8f94e063

Affected Packages

(2 across 2 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
shaarli0.12.1+dfsg-8, 0.12.1+dfsg-8+deb12u10.12.1+dfsg-8+deb12u2—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
shaarli0.14.0+dfsg-1, 0.14.0+dfsg-20.14.0+dfsg-2+deb13u1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 23× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 155 total refreshes for this CVE.

  1. 2026-09-20 20:15 UTCEPSS rescore
  2. 2026-09-19 00:06 UTCOSV refresh
  3. 2026-09-18 19:27 UTCEPSS rescore
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  1. 2026-08-20 22:55 UTCEPSS rescore
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  22. 2026-08-02 22:06 UTCEG score recompute
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  24. 2026-08-01 04:16 UTCEPSS rescore
  25. 2026-07-31 06:42 UTCOSV refresh
  26. 2026-07-30 01:30 UTCEPSS rescore
  27. 2026-07-27 14:13 UTCEPSS rescore
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  73. 2026-06-28 14:07 UTCEPSS rescore
  74. 2026-06-28 14:07 UTCEPSS rescore
  75. 2026-06-28 04:56 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-24476?
CVE-2026-24476 is a medium vulnerability published on January 26, 2026. Shaarli is a personal bookmarking service. Prior to version 0.16.0, crafting a malicious tag which starting with " prematurely ends the <input> tag on the start page and allows an attacker to add arbitrary html leading to a possible XSS attack. Version 0.16.0 fixes the issue.
When was CVE-2026-24476 disclosed?
CVE-2026-24476 was first published in the National Vulnerability Database on January 26, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-24476 actively exploited?
CVE-2026-24476 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 95.2% of all scored CVEs.
What is the CVSS score of CVE-2026-24476?
CVE-2026-24476 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-24476?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-24476, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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