CVE-2019-12970: n/a vulnerability

CVE-2019-12970: XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2.

XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2. Due to improper handling of RCDATA and RAWTEXT type elements, the built-in sanitization mechanism can be bypassed. Malicious script content from HTML e-mail can be executed within the application context via crafted use of (for example) a NOEMBED, NOFRAMES, NOSCRIPT, or TEXTAREA element.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 4, 2024, 23:41 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2019-12970 lets a malicious HTML email run script inside vulnerable SquirrelMail webmail sessions. The risk is highest where old SquirrelMail is still exposed to users. The source bundle confirms affected version ranges and a Debian LTS security update, but does not provide CVSS scoring or evidence of active exploitation. Exposure is likely limited to organizations still running legacy SquirrelMail versions, especially Internet-facing webmail portals. The CVE affected-product metadata is sparse, but the description identifies SquirrelMail version ranges directly. Treat this as a legacy webmail cleanup issue with moderate urgency. It is not documented as actively exploited in the provided sources, but vulnerable Internet-facing webmail could expose user sessions and mailbox data if malicious email is viewed. Mitigation focus: Identify all SquirrelMail deployments and confirm exact versions.; Upgrade or replace SquirrelMail versions through 1.4.22 and 1.5.x through 1.5.2.; Apply distribution security updates where applicable, including Debian LTS guidance..

Prepared: Jun 6, 2026, 20:39 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2019-12970 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup

Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 1, 2019, 10:32 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-016.txtCVE reference · x_refsource_MISC
20190701 [SYSS-2019-016] SquirrelMail script filter bypass/XSSCVE reference · mailing-list, x_refsource_BUGTRAQ
20190730 [SYSS-2019-016] SquirrelMail script filter bypass/XSS (update)CVE reference · mailing-list, x_refsource_BUGTRAQ
[debian-lts-announce] 20190801 [SECURITY] [DLA 1868-1] squirrelmail security updateCVE reference · mailing-list, x_refsource_MLIST

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.