CVE-2025-27108

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.3 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 81% 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
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.3Exploit: NoneExposed: 0

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

dom-expressions is a Fine-Grained Runtime for Performant DOM Rendering. In affected versions the use of javascript's .replace() opens up to potential Cross-site Scripting (XSS) vulnerabilities with the special replacement patterns beginning with $. Particularly, when the attributes of Meta tag from solid-meta are user-defined, attackers can utilise the special replacement patterns, either $' or $\ to achieve XSS. The solid-meta package has this issue since it uses useAffect and context providers, which injects the used assets in the html header. "dom-expressions" uses .replace() to insert the assets, which is vulnerable to the special replacement patterns listed above. This effectively means that if the attributes of an asset tag contained user-controlled data, it would be vulnerable to XSS. For instance, there might be meta tags for the open graph protocol in a user profile page, but if attackers set the user query to some payload abusing .replace()`, then they could execute arbitrary javascript in the victim's web browser. Moreover, it could be stored and cause more problems. This issue has been addressed in version 0.39.5 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
48(Track)
EG Risk 48/100SSVC: 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
Severity73% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
18.6%
KEV
Not listed

Published

February 21, 2025

Last Modified

February 27, 2025

References (2)

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
dom-expressions—0.39.5—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 47× 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.

  1. 2026-07-23 02:52 UTCEG score recompute
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-22 14:07 UTCEPSS rescore
  4. 2026-07-20 17:07 UTCEPSS rescore
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  1. 2026-07-07 10:21 UTCOSV refresh
  2. 2026-07-06 16:27 UTCEPSS rescore
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  29. 2026-06-19 19:25 UTCEPSS rescore
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  31. 2026-06-18 21:35 UTCOSV refresh
  32. 2026-06-18 17:52 UTCEPSS rescore
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  42. 2026-06-10 22:18 UTCEPSS rescore
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  44. 2026-06-08 14:16 UTCEPSS rescore
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  52. 2026-06-05 06:10 UTCEPSS rescore
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  64. 2026-05-30 11:22 UTCEG score recompute
  65. 2026-05-30 09:01 UTCOSV refresh
  66. 2026-05-29 13:44 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-27108?
CVE-2025-27108 is a high vulnerability published on February 21, 2025. dom-expressions is a Fine-Grained Runtime for Performant DOM Rendering. In affected versions the use of javascript's .replace() opens up to potential Cross-site Scripting (XSS) vulnerabilities with the special replacement patterns beginning with $. Particularly, when the attributes of Meta tag from…
When was CVE-2025-27108 disclosed?
CVE-2025-27108 was first published in the National Vulnerability Database on February 21, 2025, with the most recent update on February 27, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-27108 actively exploited?
CVE-2025-27108 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-27108?
CVE-2025-27108 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2025-27108?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-27108, 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.

Dependency Blast Radius

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