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CVE-2026-121588

TeXlyre from 0.11.0 before 0.13.5 Stored XSS via Recipe Icon Import

5.3 Medium

CVE-2026-121588 is a medium vulnerability (CVSS 5.3) in Texlyre, published November 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 9th percentile. No source names a fixed version.

What does this mean?
Severity
5.3 MediumCVSS 4.0, CVE List
Exploit chance
0.19%EPSS, 9th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

TeXlyre from 0.11.0 before 0.13.5 contains a stored cross-site scripting vulnerability that allows attackers to execute script by supplying malicious LSP or typesetter recipe icons. Attackers can trick victims into importing a recipe whose icon contains an HTML event handler, persistently accessing local projects and repository credentials.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Passive

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.19%Unchanged since Nov 4, 2026
90%50%10%1%

Affected products

What each source reports

CVE List Score used5.3

TeXlyre from 0.11.0 before 0.13.5 Stored XSS via Recipe Icon Import

TeXlyre from 0.11.0 before 0.13.5 contains a stored cross-site scripting vulnerability that allows attackers to execute script by supplying malicious LSP or typesetter recipe icons. Attackers can trick victims into importing a recipe whose icon contains an HTML event handler, persistently accessing local projects and repository credentials.

Record
CVE-2026-121588
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-09
EUVDEUVD-2026-1160365.3

TeXlyre from 0.11.0 before 0.13.5 contains a stored cross-site scripting vulnerability that allows attackers to execute script by supplying malicious LSP or typesetter recipe icons. Attackers can trick victims into importing a recipe whose icon contains an HTML event handler, persistently accessing local projects and repository credentials.

Record
EUVD-2026-116036
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Updated
2026-11-09
GitHub AdvisoriesGHSA-wq84-cxfr-wg2c5.3

TeXlyre from 0.11.0 before 0.13.5 contains a stored cross-site scripting vulnerability that...

TeXlyre from 0.11.0 before 0.13.5 contains a stored cross-site scripting vulnerability that allows attackers to execute script by supplying malicious LSP or typesetter recipe icons. Attackers can trick victims into importing a recipe whose icon contains an HTML event handler, persistently accessing local projects and repository credentials.

Record
GHSA-wq84-cxfr-wg2c
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-03
NVD5.3

TeXlyre from 0.11.0 before 0.13.5 contains a stored cross-site scripting vulnerability that allows attackers to execute script by supplying malicious LSP or typesetter recipe icons. Attackers can trick victims into importing a recipe whose icon contains an HTML event handler, persistently accessing local projects and repository credentials.

Record
CVE-2026-121588
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-09
OSV5.3

TeXlyre from 0.11.0 before 0.13.5 Stored XSS via Recipe Icon Import

TeXlyre from 0.11.0 before 0.13.5 contains a stored cross-site scripting vulnerability that allows attackers to execute script by supplying malicious LSP or typesetter recipe icons. Attackers can trick victims into importing a recipe whose icon contains an HTML event handler, persistently accessing local projects and repository credentials.

Record
CVE-2026-121588
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Weakness
CWE-79
Updated
2026-11-11

History

History
RecordedChangedSources
referencesCVE List, EUVD, OSV
aliases, referencesOSV
publishedEUVD
publishedEUVD, NVD
aliases, referencesGitHub Advisories
cwes, references, severity, titleCVE List
first indexedEUVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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