CVE-2026-4929

Name: CVE-2026-4929
Creator: NVD / NIST
Published: 2026-05-21T22:16:48.42+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2026-4929 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. Simple Hierarchical Select (SHS) for Drupal 7 contains cross-site scripting risk due to improper output escaping of term-derived text. Confirmed affected paths include field formatter output (shs_field_formatter_view) and term-tree child-term data generation (shs_term_get_children). EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

Simple Hierarchical Select (SHS) for Drupal 7 contains cross-site scripting risk due to improper output escaping of term-derived text. Confirmed affected paths include field formatter output (shs_field_formatter_view) and term-tree child-term data generation (shs_term_get_children). Malicious taxonomy term names can be rendered unsafely depending on output context. This affects versions from 7.x-1.0 through (and including) 7.x-1.10.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0

5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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

EPSS Probability

0.21%

10.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Simple Hierarchical Select Project	Simple Hierarchical Select	>= 7.x-1.0, <= 7.x-1.10

References

https://d7es.tag1.com/security-advisories/simple-hierarchical-select-moderately-critical-cross-site-scriptingThird Party Advisory
https://www.herodevs.com/vulnerability-directory/cve-2026-4929Exploit, Third Party Advisory
https://www.herodevs.com/vulnerability-directory/cve-2026-4929?nes-for-drupal-7Exploit, Third Party Advisory

Timeline

Published: May 21, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-4929?

How severe is CVE-2026-4929?

CVE-2026-4929 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4929?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-4929?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST