PYSEC-2026-1402

Vulnerability from pysec - Published: 2026-07-07 16:03 - Updated: 2026-07-07 17:24
VLAI
Details

A flaw was found in GI-DocGen. This vulnerability allows arbitrary JavaScript execution in the context of the page — enabling DOM access, session cookie theft and other client-side attacks — via a crafted URL that supplies a malicious value to the q GET parameter (reflected DOM XSS).

Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Impacted products
Name purl
gi-docgen pkg:pypi/gi-docgen
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "gi-docgen",
        "purl": "pkg:pypi/gi-docgen"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2025.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2021.1",
        "2021.2",
        "2021.3",
        "2021.4",
        "2021.5",
        "2021.6",
        "2021.7",
        "2021.8",
        "2022.1",
        "2022.2",
        "2023.1",
        "2023.2",
        "2023.3",
        "2024.1",
        "2025.3",
        "2025.4"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-11687",
    "GHSA-6p6h-rqr6-62mv"
  ],
  "details": "A flaw was found in GI-DocGen. This vulnerability allows arbitrary JavaScript execution in the context of the page \u2014 enabling DOM access, session cookie theft and other client-side attacks \u2014 via a crafted URL that supplies a malicious value to the q GET parameter (reflected DOM XSS).",
  "id": "PYSEC-2026-1402",
  "modified": "2026-07-07T17:24:11.235556Z",
  "published": "2026-07-07T16:03:20.292095Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-11687"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2025-11687"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2403536"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/GNOME/gi-docgen"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.gnome.org/GNOME/gi-docgen/-/commit/65d16b8ac178900602da540c8f5df4f52d5e8cf6"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.gnome.org/GNOME/gi-docgen/-/issues/228"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/gi-docgen"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-6p6h-rqr6-62mv"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "GI-DocGen vulnerable to Reflected XSS via unescaped query strings"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.