# yourls/yourls (Packagist) vulnerabilities

Source: https://junglewise.ai/threats/technologies/yourls-yourls  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/yourls-yourls.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 9 vulnerabilities in yourls/yourls (Packagist): 0 in the last 7 days and 2 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-62858, was published on 14 October 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 2
- All time: 9 (1 critical, 0 exploited in the wild)

## About yourls/yourls (Packagist)

A PHP-based URL shortener that allows users to run their own link shortening service.

## Latest yourls/yourls (Packagist) vulnerabilities

- [CVE-2026-62858: YOURLS unauthenticated path traversal file inclusion](https://junglewise.ai/threats/cve-2026-62858-yourls-unauthenticated-file-inclusion) (medium, CVSS 5.3, published 14 Oct 2026)
- [CVE-2026-63135: YOURLS stored XSS in referrer statistics via crafted Referer header](https://junglewise.ai/threats/cve-2026-63135-yourls-stored-xss-in-referrer-statistics-via-crafted-referer) (high, CVSS 8.2, published 21 Aug 2026)
- [YOURLS is vulnerable to XSS through JSONP and Callback request parameters](https://junglewise.ai/threats/yourls-is-vulnerable-to-xss-through-jsonp-and-callback-request-d2d8fa38) (low, CVSS 3.1, published 30 Dec 2025)
- [CVE-2020-27388: YOURLS Stored Cross Site Scripting (XSS)](https://junglewise.ai/threats/cve-2020-27388-yourls-stored-cross-site-scripting-xss) (low, CVSS 3.1, published 24 May 2022)
- [CVE-2022-0088: Cross-Site Request Forgery in YOURLS](https://junglewise.ai/threats/cve-2022-0088-cross-site-request-forgery-in-yourls) (low, CVSS 3, published 4 Apr 2022)
- [CVE-2021-3783: Cross-site Scripting in yourls](https://junglewise.ai/threats/cve-2021-3783-cross-site-scripting-in-yourls) (low, CVSS 3, published 20 Sep 2021)
- [CVE-2021-3785: Cross-site Scripting in yourls](https://junglewise.ai/threats/cve-2021-3785-cross-site-scripting-in-yourls) (low, CVSS 3.1, published 20 Sep 2021)
- [CVE-2021-3734: Improper Restriction of Rendered UI Layers or Frames in yourls](https://junglewise.ai/threats/cve-2021-3734-improper-restriction-of-rendered-ui-layers-or-frames-in-yourls) (low, CVSS 3, published 30 Aug 2021)
- [CVE-2019-14537: YOURLS type juggling login bypass in API](https://junglewise.ai/threats/cve-2019-14537-yourls-type-juggling-login-bypass-in-api) (critical, CVSS 9.8, published 23 Sep 2019)

## Most severe yourls/yourls (Packagist) vulnerabilities

- [CVE-2019-14537: YOURLS type juggling login bypass in API](https://junglewise.ai/threats/cve-2019-14537-yourls-type-juggling-login-bypass-in-api) (critical, CVSS 9.8, published 23 Sep 2019)
- [CVE-2026-63135: YOURLS stored XSS in referrer statistics via crafted Referer header](https://junglewise.ai/threats/cve-2026-63135-yourls-stored-xss-in-referrer-statistics-via-crafted-referer) (high, CVSS 8.2, published 21 Aug 2026)
- [CVE-2026-62858: YOURLS unauthenticated path traversal file inclusion](https://junglewise.ai/threats/cve-2026-62858-yourls-unauthenticated-file-inclusion) (medium, CVSS 5.3, published 14 Oct 2026)
- [CVE-2020-27388: YOURLS Stored Cross Site Scripting (XSS)](https://junglewise.ai/threats/cve-2020-27388-yourls-stored-cross-site-scripting-xss) (low, CVSS 3.1, published 24 May 2022)
- [CVE-2021-3785: Cross-site Scripting in yourls](https://junglewise.ai/threats/cve-2021-3785-cross-site-scripting-in-yourls) (low, CVSS 3.1, published 20 Sep 2021)
- [YOURLS is vulnerable to XSS through JSONP and Callback request parameters](https://junglewise.ai/threats/yourls-is-vulnerable-to-xss-through-jsonp-and-callback-request-d2d8fa38) (low, CVSS 3.1, published 30 Dec 2025)
- [CVE-2022-0088: Cross-Site Request Forgery in YOURLS](https://junglewise.ai/threats/cve-2022-0088-cross-site-request-forgery-in-yourls) (low, CVSS 3, published 4 Apr 2022)
- [CVE-2021-3783: Cross-site Scripting in yourls](https://junglewise.ai/threats/cve-2021-3783-cross-site-scripting-in-yourls) (low, CVSS 3, published 20 Sep 2021)
- [CVE-2021-3734: Improper Restriction of Rendered UI Layers or Frames in yourls](https://junglewise.ai/threats/cve-2021-3734-improper-restriction-of-rendered-ui-layers-or-frames-in-yourls) (low, CVSS 3, published 30 Aug 2021)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 1 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Packagist technologies

- [moodle/moodle (Packagist)](https://junglewise.ai/threats/technologies/moodle-moodle): 434 vulnerabilities
- [magento/community-edition (Packagist)](https://junglewise.ai/threats/technologies/packagist-magento-community-edition): 362 vulnerabilities
- [typo3/cms (Packagist)](https://junglewise.ai/threats/technologies/packagist-typo3-cms): 187 vulnerabilities
- [wwbn/avideo (Packagist)](https://junglewise.ai/threats/technologies/wwbn-avideo): 164 vulnerabilities
- [magento/project-community-edition (Packagist)](https://junglewise.ai/threats/technologies/magento-project-community-edition): 161 vulnerabilities
- [drupal/core (Packagist)](https://junglewise.ai/threats/technologies/packagist-drupal-core): 150 vulnerabilities
- [pimcore/pimcore (Packagist)](https://junglewise.ai/threats/technologies/pimcore-pimcore): 145 vulnerabilities
- [craftcms/cms (Packagist)](https://junglewise.ai/threats/technologies/craftcms-cms): 143 vulnerabilities
- [dolibarr/dolibarr (Packagist)](https://junglewise.ai/threats/technologies/dolibarr-dolibarr): 127 vulnerabilities
- [getgrav/grav (Packagist)](https://junglewise.ai/threats/technologies/getgrav-grav): 127 vulnerabilities
- [typo3/cms-core (Packagist)](https://junglewise.ai/threats/technologies/typo3-cms-core): 127 vulnerabilities
- [concrete5/concrete5 (Packagist)](https://junglewise.ai/threats/technologies/concrete5-concrete5): 122 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "yourls/yourls (Packagist) vulnerabilities", https://junglewise.ai/threats/technologies/yourls-yourls, 9 November 2026.
