CVE-2023-26131

mediumpriority · track · 24EPSS 0.007 · 52 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.69% (52nd) EPSS

CVSS 6.1 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-24

All versions of the package github.com/xyproto/algernon/engine; all versions of the package github.com/xyproto/algernon/themes are vulnerable to Cross-site Scripting (XSS) via the themes.NoPage(filename, theme) function due to improper user input sanitization. Exploiting this vulnerability is possible when a file/resource is not found.

cvss

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

6.1

010

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

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:Psecondary · ENISA EU

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · report@snyk.ioexploitability 2.8 · impact 2.5

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (4)

Products and version ranges known to be affected.

n/a github.com/xyproto/algernon/engine0 → *enisa_euvdEU
n/a github.com/xyproto/algernon/themes0 → *enisa_euvdEU
algernon project algernonall versionsnvdUScpe:2.3:a:algernon_project:algernon:*:*:*:*:*:*:*:*
Go github.com/xyproto/algernon≤ 1.15.2osvUSpkg:golang/github.com/xyproto/algernon

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-g47h-fgcw-g4phAlgernon engine and themes vulnerable to Cross-site Scripting2023-05-31ghsa · osvUS
All versions of the package github.com/xyproto/algernon/engine; all versions of the package github.com/xyproto/algernon/themes are vulnerable to Cross-site Scripting (XSS) via the `themes.NoPage(filename, theme)` function due to improper user input sanitization. Exploiting this vulnerability is possible when a file/resource is not found.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2023-05-31modified 2026-06-17

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+52915 more

references (16)

External citations — patches, advisories, analysis.

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