PT-2023-20510 · Unknown · Github.Com/Xyproto/Algernon/Themes+1

Alessio Della Libera · Published 2023-05-31 · Updated 2025-01-09 · CVE-2023-26131

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions github.com/xyproto/algernon/engine (affected versions not specified) github.com/xyproto/algernon/themes (affected versions not specified)

Description The issue is related to Cross-site Scripting (XSS) due to improper user input sanitization in the themes.NoPage(filename, theme) function. This can be exploited when a file or resource is not found.

Recommendations For github.com/xyproto/algernon/engine, consider disabling the themes.NoPage(filename, theme) function until a patch is available. For github.com/xyproto/algernon/themes, restrict access to the themes.NoPage(filename, theme) function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2023-26131

GHSA-G47H-FGCW-G4PH

Affected Products

Github.Com/Xyproto/Algernon/Engine

Github.Com/Xyproto/Algernon/Themes

References · 13

• 🔥 https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMXYPROTOALGERNONENGINE-3312111 · Exploit
• 🔥 https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMXYPROTOALGERNONTHEMES-3312112 · Exploit
• https://osv.dev/vulnerability/CVE-2023-26131 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-26131 · Security Note
• https://osv.dev/vulnerability/GHSA-g47h-fgcw-g4ph · Vendor Advisory
• https://github.com/xyproto/algernon · Note
• https://github.com/xyproto/algernon/blob/aab484608651852d02a8a93f40baf53ed93e639a/engine/handlers.go%23L514 · Note
• https://github.com/xyproto/algernon/blob/aab484608651852d02a8a93f40baf53ed93e639a/engine/handlers.go%23L512 · Note
• https://github.com/xyproto/algernon/blob/aab484608651852d02a8a93f40baf53ed93e639a/themes/html.go%23L145 · Note
• https://github.com/xyproto/algernon/blob/aab484608651852d02a8a93f40baf53ed93e639a/themes/html.go#L145 · Note
• https://github.com/xyproto/algernon/blob/aab484608651852d02a8a93f40baf53ed93e639a/engine/handlers.go#L514 · Note
• https://github.com/xyproto/algernon/blob/aab484608651852d02a8a93f40baf53ed93e639a/engine/handlers.go#L512 · Note
• https://t.me/cvenotify/51448 · Telegram Post