CVE-2025-12735

criticalpriority · track · 11EPSS 0.018 · 78 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

3 exploits · PoC

Likely / severe?

1.76% (78th) EPSS

CVSS 9.8 · critical

Is it mine?

8 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

The expr-eval library is a JavaScript expression parser and evaluator designed to safely evaluate mathematical expressions with user-defined variables. However, due to insufficient input validation, an attacker can pass a crafted context object or use MEMBER of the context object into the evaluate() function and trigger arbitrary code execution.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USprimaryCWE-20USCWE-94US

exploits (3)

Public proof-of-concept and weaponised exploit code.

affected products (8)

Products and version ranges known to be affected.

expr-eval≤ 0 ≤2.0.2enisa_euvdEU
expr-eval-fork≤ 0 ≤3.0.0enisa_euvdEU
Сообщество свободного программного обеспечения expr-eval≤ 2.0.2fstec_bduRU
Сообщество свободного программного обеспечения expr-eval-fork≤ 3.0.0fstec_bduRU
jorenbroekema javascript expression evaluator= 3.0.0nvdUScpe:2.3:a:jorenbroekema:javascript_expression_evaluator:*:*:*:*:*:*:*:*
silentmatt javascript expression evaluator≤ 2.0.2nvdUScpe:2.3:a:silentmatt:javascript_expression_evaluator:*:*:*:*:*:*:*:*
npm expr-eval≤ 2.0.2osvUSpkg:npm/expr-eval
npm expr-eval-fork< 3.0.1osvUSpkg:npm/expr-eval-fork

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-jc85-fpwf-qm7xexpr-eval does not restrict functions passed to the evaluate function2025-11-05ghsa · osvUS
The expr-eval library is a JavaScript expression parser and evaluator designed to safely evaluate mathematical expressions with user-defined variables. However, due to insufficient input validation, an attacker can pass a crafted variables object into the evaluate() function and trigger arbitrary code execution.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2025-11-05modified 2026-10-18

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+10444 more

references (24)

External citations — patches, advisories, analysis.

scry

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