# CVE-2026-61673: WeGIA: Stored DOM XSS in listar_despachos.php Allows Account Takeover

Status: published. Published: 2026-10-29. Updated: 2026-11-04.

WeGIA is a web manager for charitable institutions. Prior to 3.8.7, a stored DOM cross-site scripting vulnerability in `web/html/memorando/listar_despachos.php` results from unsafe handling of the `texto` field. The affected flow spans `web/controle/memorando/DespachoControle.php` and `web/dao/memorando/DespachoDAO.php`: `FILTER_SANITIZE_SPECIAL_CHARS` is applied during storage, but `html_entity_decode()` later decodes the stored content and `jQuery .html()` inserts the result into the DOM. An attacker able to submit a memorandum dispatch through `/controle/control.php` using `DespachoControle` and `metodo=incluir` can store malicious HTML or JavaScript. The code executes automatically when another user views the memorandum thread through `/html/memorando/listar_despachos.php` with `id_memorando`. This permits arbitrary JavaScript execution, theft of administrator `PHPSESSID` session tokens, privileged session hijacking, account takeover, and unauthorized access to privileged or internal functionality. This issue is fixed in version 3.8.7.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- LabRedesCefetRJ / WeGIA: < 3.8.7 (affected). Source: CNA: GitHub_M

## Severity and prioritization

- CVSS 4.0: 6.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:N; source: CNA: GitHub_M

- CISA KEV: No listing in collected sources

- EPSS: 0.33% as of 2026-11-03; percentile 26.86%

- SSVC: exploitation poc; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-79

## Exploit evidence

- exploit: https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-83p7-cx5x-7g34 (ADP: CISA-ADP)

## References

- https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-83p7-cx5x-7g34 (CNA: GitHub_M; x_refsource_CONFIRM)

- https://github.com/LabRedesCefetRJ/WeGIA/issues/516 (CNA: GitHub_M; x_refsource_MISC)

- https://github.com/LabRedesCefetRJ/WeGIA/commit/9524556c5940149e20cea389d2966dd010d3b5af (CNA: GitHub_M; x_refsource_MISC)

- https://github.com/LabRedesCefetRJ/WeGIA/releases/tag/3.8.7 (CNA: GitHub_M; x_refsource_MISC)

- https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-83p7-cx5x-7g34 (ADP: CISA-ADP; exploit)

## Provenance

- CNA: GitHub_M: https://www.cve.org/CVERecord?id=CVE-2026-61673; retrieved 2026-11-04; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-61673; retrieved 2026-11-04; source updated Not reported

Revision: aae58a342a414e5def76847eaf880ece0291117fe752496f916c34b2f2c3ecba

Canonical: https://y2.dev/cve/CVE-2026-61673

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